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@ -44,395 +44,488 @@ import java.lang.reflect.*;
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import gnu.java.lang.*;
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/**
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** Introspector is the class that does the bulk of the
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** design-time work in Java Beans. Every class must have
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** a BeanInfo in order for an RAD tool to use it; but, as
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** promised, you don't have to write the BeanInfo class
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** yourself if you don't want to. All you have to do is
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** call getBeanInfo() in the Introspector and it will use
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** standard JavaBeans-defined method signatures to
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** determine the information about your class.<P>
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**
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** Don't worry about it too much, though: you can provide
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** JavaBeans with as much customized information as you
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** want, or as little as you want, using the BeanInfo
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** interface (see BeanInfo for details).<P>
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**
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** <STRONG>Order of Operations</STRONG><P>
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**
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** When you call getBeanInfo(class c), the Introspector
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** first searches for BeanInfo class to see if you
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** provided any explicit information. It searches for a
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** class named <bean class name>BeanInfo in different
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** packages, first searching the bean class's package
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** and then moving on to search the beanInfoSearchPath.<P>
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**
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** If it does not find a BeanInfo class, it acts as though
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** it had found a BeanInfo class returning null from all
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** methods (meaning it should discover everything through
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** Introspection). If it does, then it takes the
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** information it finds in the BeanInfo class to be
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** canonical (that is, the information speaks for its
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** class as well as all superclasses).<P>
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**
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** When it has introspected the class, calls
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** getBeanInfo(c.getSuperclass) and adds that information
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** to the information it has, not adding to any information
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** it already has that is canonical.<P>
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**
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** <STRONG>Introspection Design Patterns</STRONG><P>
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**
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** When the Introspector goes in to read the class, it
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** follows a well-defined order in order to not leave any
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** methods unaccounted for. Its job is to step over all
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** of the public methods in a class and determine whether
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** they are part of a property, an event, or a method (in
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** that order).
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**
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**
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** <STRONG>Properties:</STRONG><P>
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**
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** <OL>
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** <LI>If there is a <CODE>public boolean isXXX()</CODE>
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** method, then XXX is a read-only boolean property.
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** <CODE>boolean getXXX()</CODE> may be supplied in
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** addition to this method, although isXXX() is the
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** one that will be used in this case and getXXX()
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** will be ignored. If there is a
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** <CODE>public void setXXX(boolean)</CODE> method,
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** it is part of this group and makes it a read-write
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** property.</LI>
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** <LI>If there is a
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** <CODE>public <type> getXXX(int)</CODE>
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** method, then XXX is a read-only indexed property of
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** type <type>. If there is a
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** <CODE>public void setXXX(int,<type>)</CODE>
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** method, then it is a read-write indexed property of
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** type <type>. There may also be a
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** <CODE>public <type>[] getXXX()</CODE> and a
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** <CODE>public void setXXX(<type>)</CODE>
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** method as well.</CODE></LI>
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** <LI>If there is a
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** <CODE>public void setXXX(int,<type>)</CODE>
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** method, then it is a write-only indexed property of
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** type <type>. There may also be a
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** <CODE>public <type>[] getXXX()</CODE> and a
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** <CODE>public void setXXX(<type>)</CODE>
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** method as well.</CODE></LI>
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** <LI>If there is a
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** <CODE>public <type> getXXX()</CODE> method,
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** then XXX is a read-only property of type
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** <type>. If there is a
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** <CODE>public void setXXX(<type>)</CODE>
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** method, then it will be used for the property and
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** the property will be considered read-write.</LI>
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** <LI>If there is a
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** <CODE>public void setXXX(<type>)</CODE>
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** method, then as long as XXX is not already used as
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** the name of a property, XXX is assumed to be a
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** write-only property of type <type>.</LI>
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** <LI>In all of the above cases, if the setXXX() method
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** throws <CODE>PropertyVetoException</CODE>, then the
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** property in question is assumed to be constrained.
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** No properties are ever assumed to be bound
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** (<STRONG>Spec Note:</STRONG> this is not in the
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** spec, it just makes sense). See PropertyDescriptor
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** for a description of bound and constrained
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** properties.</LI>
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** </OL>
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**
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** <STRONG>Events:</STRONG><P>
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**
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** If there is a pair of methods,
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** <CODE>public void addXXX(<type>)</CODE> and
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** <CODE>public void removeXXX(<type>)</CODE>, where
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** <type> is a descendant of
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** <CODE>java.util.EventListener</CODE>, then the pair of
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** methods imply that this Bean will fire events to
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** listeners of type <type>.<P>
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**
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** If the addXXX() method throws
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** <CODE>java.util.TooManyListenersException</CODE>, then
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** the event set is assumed to be <EM>unicast</EM>. See
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** EventSetDescriptor for a discussion of unicast event
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** sets.<P>
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**
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** <STRONG>Spec Note:</STRONG> the spec seems to say that
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** the listener type's classname must be equal to the XXX
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** part of addXXX() and removeXXX(), but that is not the
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** case in Sun's implementation, so I am assuming it is
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** not the case in general.<P>
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**
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** <STRONG>Methods:</STRONG><P>
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**
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** Any public methods (including those which were used
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** for Properties or Events) are used as Methods.
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**
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** @author John Keiser
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** @since JDK1.1
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** @version 1.1.0, 29 Jul 1998
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** @see java.beans.BeanInfo
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**/
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* Introspector is the class that does the bulk of the
|
|
|
|
|
* design-time work in Java Beans. Every class must have
|
|
|
|
|
* a BeanInfo in order for an RAD tool to use it; but, as
|
|
|
|
|
* promised, you don't have to write the BeanInfo class
|
|
|
|
|
* yourself if you don't want to. All you have to do is
|
|
|
|
|
* call getBeanInfo() in the Introspector and it will use
|
|
|
|
|
* standard JavaBeans-defined method signatures to
|
|
|
|
|
* determine the information about your class.<P>
|
|
|
|
|
*
|
|
|
|
|
* Don't worry about it too much, though: you can provide
|
|
|
|
|
* JavaBeans with as much customized information as you
|
|
|
|
|
* want, or as little as you want, using the BeanInfo
|
|
|
|
|
* interface (see BeanInfo for details).<P>
|
|
|
|
|
*
|
|
|
|
|
* <STRONG>Order of Operations</STRONG><P>
|
|
|
|
|
*
|
|
|
|
|
* When you call getBeanInfo(class c), the Introspector
|
|
|
|
|
* first searches for BeanInfo class to see if you
|
|
|
|
|
* provided any explicit information. It searches for a
|
|
|
|
|
* class named <bean class name>BeanInfo in different
|
|
|
|
|
* packages, first searching the bean class's package
|
|
|
|
|
* and then moving on to search the beanInfoSearchPath.<P>
|
|
|
|
|
*
|
|
|
|
|
* If it does not find a BeanInfo class, it acts as though
|
|
|
|
|
* it had found a BeanInfo class returning null from all
|
|
|
|
|
* methods (meaning it should discover everything through
|
|
|
|
|
* Introspection). If it does, then it takes the
|
|
|
|
|
* information it finds in the BeanInfo class to be
|
|
|
|
|
* canonical (that is, the information speaks for its
|
|
|
|
|
* class as well as all superclasses).<P>
|
|
|
|
|
*
|
|
|
|
|
* When it has introspected the class, calls
|
|
|
|
|
* getBeanInfo(c.getSuperclass) and adds that information
|
|
|
|
|
* to the information it has, not adding to any information
|
|
|
|
|
* it already has that is canonical.<P>
|
|
|
|
|
*
|
|
|
|
|
* <STRONG>Introspection Design Patterns</STRONG><P>
|
|
|
|
|
*
|
|
|
|
|
* When the Introspector goes in to read the class, it
|
|
|
|
|
* follows a well-defined order in order to not leave any
|
|
|
|
|
* methods unaccounted for. Its job is to step over all
|
|
|
|
|
* of the public methods in a class and determine whether
|
|
|
|
|
* they are part of a property, an event, or a method (in
|
|
|
|
|
* that order).
|
|
|
|
|
*
|
|
|
|
|
*
|
|
|
|
|
* <STRONG>Properties:</STRONG><P>
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|
|
|
|
*
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|
|
* <OL>
|
|
|
|
|
* <LI>If there is a <CODE>public boolean isXXX()</CODE>
|
|
|
|
|
* method, then XXX is a read-only boolean property.
|
|
|
|
|
* <CODE>boolean getXXX()</CODE> may be supplied in
|
|
|
|
|
* addition to this method, although isXXX() is the
|
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|
|
|
* one that will be used in this case and getXXX()
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|
|
|
* will be ignored. If there is a
|
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|
|
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* <CODE>public void setXXX(boolean)</CODE> method,
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|
|
|
* it is part of this group and makes it a read-write
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* property.</LI>
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|
|
* <LI>If there is a
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* <CODE>public <type> getXXX(int)</CODE>
|
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|
|
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* method, then XXX is a read-only indexed property of
|
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|
|
|
* type <type>. If there is a
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* <CODE>public void setXXX(int,<type>)</CODE>
|
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|
|
|
* method, then it is a read-write indexed property of
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|
* type <type>. There may also be a
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* <CODE>public <type>[] getXXX()</CODE> and a
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* <CODE>public void setXXX(<type>)</CODE>
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* method as well.</CODE></LI>
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|
* <LI>If there is a
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* <CODE>public void setXXX(int,<type>)</CODE>
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|
|
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* method, then it is a write-only indexed property of
|
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|
* type <type>. There may also be a
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* <CODE>public <type>[] getXXX()</CODE> and a
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* <CODE>public void setXXX(<type>)</CODE>
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* method as well.</CODE></LI>
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* <LI>If there is a
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* <CODE>public <type> getXXX()</CODE> method,
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* then XXX is a read-only property of type
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* <type>. If there is a
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* <CODE>public void setXXX(<type>)</CODE>
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|
|
* method, then it will be used for the property and
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|
|
|
* the property will be considered read-write.</LI>
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|
|
* <LI>If there is a
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* <CODE>public void setXXX(<type>)</CODE>
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|
|
|
* method, then as long as XXX is not already used as
|
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|
|
|
* the name of a property, XXX is assumed to be a
|
|
|
|
|
* write-only property of type <type>.</LI>
|
|
|
|
|
* <LI>In all of the above cases, if the setXXX() method
|
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|
|
|
* throws <CODE>PropertyVetoException</CODE>, then the
|
|
|
|
|
* property in question is assumed to be constrained.
|
|
|
|
|
* No properties are ever assumed to be bound
|
|
|
|
|
* (<STRONG>Spec Note:</STRONG> this is not in the
|
|
|
|
|
* spec, it just makes sense). See PropertyDescriptor
|
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|
|
|
* for a description of bound and constrained
|
|
|
|
|
* properties.</LI>
|
|
|
|
|
* </OL>
|
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|
|
|
*
|
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|
|
|
* <STRONG>Events:</STRONG><P>
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|
|
|
*
|
|
|
|
|
* If there is a pair of methods,
|
|
|
|
|
* <CODE>public void addXXX(<type>)</CODE> and
|
|
|
|
|
* <CODE>public void removeXXX(<type>)</CODE>, where
|
|
|
|
|
* <type> is a descendant of
|
|
|
|
|
* <CODE>java.util.EventListener</CODE>, then the pair of
|
|
|
|
|
* methods imply that this Bean will fire events to
|
|
|
|
|
* listeners of type <type>.<P>
|
|
|
|
|
*
|
|
|
|
|
* If the addXXX() method throws
|
|
|
|
|
* <CODE>java.util.TooManyListenersException</CODE>, then
|
|
|
|
|
* the event set is assumed to be <EM>unicast</EM>. See
|
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|
|
|
* EventSetDescriptor for a discussion of unicast event
|
|
|
|
|
* sets.<P>
|
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|
|
|
*
|
|
|
|
|
* <STRONG>Spec Note:</STRONG> the spec seems to say that
|
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|
|
|
* the listener type's classname must be equal to the XXX
|
|
|
|
|
* part of addXXX() and removeXXX(), but that is not the
|
|
|
|
|
* case in Sun's implementation, so I am assuming it is
|
|
|
|
|
* not the case in general.<P>
|
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|
|
|
*
|
|
|
|
|
* <STRONG>Methods:</STRONG><P>
|
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|
|
|
*
|
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|
|
|
* Any public methods (including those which were used
|
|
|
|
|
* for Properties or Events) are used as Methods.
|
|
|
|
|
*
|
|
|
|
|
* @author John Keiser
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|
|
|
* @since JDK1.1
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* @see java.beans.BeanInfo
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*/
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public class Introspector {
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static String[] beanInfoSearchPath = {"gnu.java.beans.info", "sun.beans.infos"};
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static Hashtable beanInfoCache = new Hashtable();
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public static final int USE_ALL_BEANINFO = 1;
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public static final int IGNORE_IMMEDIATE_BEANINFO = 2;
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public static final int IGNORE_ALL_BEANINFO = 3;
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private Introspector() {}
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static String[] beanInfoSearchPath = {"gnu.java.beans.info"};
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static Hashtable beanInfoCache = new Hashtable();
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private Introspector() {}
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/**
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* Get the BeanInfo for class <CODE>beanClass</CODE>,
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|
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* first by looking for explicit information, next by
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|
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* using standard design patterns to determine
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|
|
|
* information about the class.
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*
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* @param beanClass the class to get BeanInfo about.
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* @return the BeanInfo object representing the class.
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*/
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public static BeanInfo getBeanInfo(Class beanClass)
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throws IntrospectionException
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{
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BeanInfo cachedInfo;
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synchronized(beanClass)
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{
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cachedInfo = (BeanInfo)beanInfoCache.get(beanClass);
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if(cachedInfo != null)
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{
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return cachedInfo;
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}
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cachedInfo = getBeanInfo(beanClass,null);
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beanInfoCache.put(beanClass,cachedInfo);
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return cachedInfo;
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}
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}
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/** Get the BeanInfo for class <CODE>beanClass</CODE>,
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** first by looking for explicit information, next by
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|
|
|
|
** using standard design patterns to determine
|
|
|
|
|
** information about the class.
|
|
|
|
|
** @param beanClass the class to get BeanInfo about.
|
|
|
|
|
** @return the BeanInfo object representing the class.
|
|
|
|
|
**/
|
|
|
|
|
public static BeanInfo getBeanInfo(Class beanClass) throws IntrospectionException {
|
|
|
|
|
BeanInfo cachedInfo;
|
|
|
|
|
synchronized(beanClass) {
|
|
|
|
|
cachedInfo = (BeanInfo)beanInfoCache.get(beanClass);
|
|
|
|
|
if(cachedInfo != null) {
|
|
|
|
|
return cachedInfo;
|
|
|
|
|
}
|
|
|
|
|
cachedInfo = getBeanInfo(beanClass,null);
|
|
|
|
|
beanInfoCache.put(beanClass,cachedInfo);
|
|
|
|
|
return cachedInfo;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** Get the BeanInfo for class <CODE>beanClass</CODE>,
|
|
|
|
|
** first by looking for explicit information, next by
|
|
|
|
|
** using standard design patterns to determine
|
|
|
|
|
** information about the class. It crawls up the
|
|
|
|
|
** inheritance tree until it hits <CODE>topClass</CODE>.
|
|
|
|
|
** @param beanClass the Bean class.
|
|
|
|
|
** @param stopClass the class to stop at.
|
|
|
|
|
** @return the BeanInfo object representing the class.
|
|
|
|
|
**/
|
|
|
|
|
public static BeanInfo getBeanInfo(Class beanClass, Class stopClass) throws IntrospectionException {
|
|
|
|
|
ExplicitInfo explicit = new ExplicitInfo(beanClass,stopClass);
|
|
|
|
|
|
|
|
|
|
IntrospectionIncubator ii = new IntrospectionIncubator();
|
|
|
|
|
ii.setPropertyStopClass(explicit.propertyStopClass);
|
|
|
|
|
ii.setEventStopClass(explicit.eventStopClass);
|
|
|
|
|
ii.setMethodStopClass(explicit.methodStopClass);
|
|
|
|
|
ii.addMethods(beanClass.getMethods());
|
|
|
|
|
|
|
|
|
|
BeanInfoEmbryo currentInfo = ii.getBeanInfoEmbryo();
|
|
|
|
|
PropertyDescriptor[] p = explicit.explicitPropertyDescriptors;
|
|
|
|
|
if(p!=null) {
|
|
|
|
|
for(int i=0;i<p.length;i++) {
|
|
|
|
|
if(!currentInfo.hasProperty(p[i])) {
|
|
|
|
|
currentInfo.addProperty(p[i]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if(explicit.defaultProperty != -1) {
|
|
|
|
|
currentInfo.setDefaultPropertyName(p[explicit.defaultProperty].getName());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
EventSetDescriptor[] e = explicit.explicitEventSetDescriptors;
|
|
|
|
|
if(e!=null) {
|
|
|
|
|
for(int i=0;i<e.length;i++) {
|
|
|
|
|
if(!currentInfo.hasEvent(e[i])) {
|
|
|
|
|
currentInfo.addEvent(e[i]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if(explicit.defaultEvent != -1) {
|
|
|
|
|
currentInfo.setDefaultEventName(e[explicit.defaultEvent].getName());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
MethodDescriptor[] m = explicit.explicitMethodDescriptors;
|
|
|
|
|
if(m!=null) {
|
|
|
|
|
for(int i=0;i<m.length;i++) {
|
|
|
|
|
if(!currentInfo.hasMethod(m[i])) {
|
|
|
|
|
currentInfo.addMethod(m[i]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(explicit.explicitBeanDescriptor != null) {
|
|
|
|
|
currentInfo.setBeanDescriptor(new BeanDescriptor(beanClass,explicit.explicitBeanDescriptor.getCustomizerClass()));
|
|
|
|
|
} else {
|
|
|
|
|
currentInfo.setBeanDescriptor(new BeanDescriptor(beanClass,null));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
currentInfo.setAdditionalBeanInfo(explicit.explicitBeanInfo);
|
|
|
|
|
currentInfo.setIcons(explicit.im);
|
|
|
|
|
|
|
|
|
|
return currentInfo.getBeanInfo();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** Get the search path for BeanInfo classes.
|
|
|
|
|
** @return the BeanInfo search path.
|
|
|
|
|
**/
|
|
|
|
|
public static String[] getBeanInfoSearchPath() {
|
|
|
|
|
return beanInfoSearchPath;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** Set the search path for BeanInfo classes.
|
|
|
|
|
** @param beanInfoSearchPath the new BeanInfo search
|
|
|
|
|
** path.
|
|
|
|
|
**/
|
|
|
|
|
public static void setBeanInfoSearchPath(String[] beanInfoSearchPath) {
|
|
|
|
|
Introspector.beanInfoSearchPath = beanInfoSearchPath;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** A helper method to convert a name to standard Java
|
|
|
|
|
** naming conventions: anything with two capitals as the
|
|
|
|
|
** first two letters remains the same, otherwise the
|
|
|
|
|
** first letter is decapitalized. URL = URL, I = i,
|
|
|
|
|
** MyMethod = myMethod.
|
|
|
|
|
** @param name the name to decapitalize.
|
|
|
|
|
** @return the decapitalized name.
|
|
|
|
|
**/
|
|
|
|
|
public static String decapitalize(String name) {
|
|
|
|
|
try {
|
|
|
|
|
if(!Character.isUpperCase(name.charAt(0))) {
|
|
|
|
|
return name;
|
|
|
|
|
} else {
|
|
|
|
|
try {
|
|
|
|
|
if(Character.isUpperCase(name.charAt(1))) {
|
|
|
|
|
return name;
|
|
|
|
|
} else {
|
|
|
|
|
char[] c = name.toCharArray();
|
|
|
|
|
c[0] = Character.toLowerCase(c[0]);
|
|
|
|
|
return new String(c);
|
|
|
|
|
}
|
|
|
|
|
} catch(StringIndexOutOfBoundsException E) {
|
|
|
|
|
char[] c = new char[1];
|
|
|
|
|
c[0] = Character.toLowerCase(name.charAt(0));
|
|
|
|
|
return new String(c);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} catch(StringIndexOutOfBoundsException E) {
|
|
|
|
|
return name;
|
|
|
|
|
} catch(NullPointerException E) {
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static BeanInfo copyBeanInfo(BeanInfo b) {
|
|
|
|
|
java.awt.Image[] icons = new java.awt.Image[4];
|
|
|
|
|
for(int i=1;i<=4;i++) {
|
|
|
|
|
icons[i-1] = b.getIcon(i);
|
|
|
|
|
}
|
|
|
|
|
return new ExplicitBeanInfo(b.getBeanDescriptor(),b.getAdditionalBeanInfo(),
|
|
|
|
|
b.getPropertyDescriptors(),b.getDefaultPropertyIndex(),
|
|
|
|
|
b.getEventSetDescriptors(),b.getDefaultEventIndex(),
|
|
|
|
|
b.getMethodDescriptors(),icons);
|
|
|
|
|
/**
|
|
|
|
|
* Get the BeanInfo for class <CODE>beanClass</CODE>,
|
|
|
|
|
* first by looking for explicit information, next by
|
|
|
|
|
* using standard design patterns to determine
|
|
|
|
|
* information about the class. It crawls up the
|
|
|
|
|
* inheritance tree until it hits <CODE>topClass</CODE>.
|
|
|
|
|
*
|
|
|
|
|
* @param beanClass the Bean class.
|
|
|
|
|
* @param stopClass the class to stop at.
|
|
|
|
|
* @return the BeanInfo object representing the class.
|
|
|
|
|
*/
|
|
|
|
|
public static BeanInfo getBeanInfo(Class beanClass, Class stopClass)
|
|
|
|
|
throws IntrospectionException
|
|
|
|
|
{
|
|
|
|
|
ExplicitInfo explicit = new ExplicitInfo(beanClass,stopClass);
|
|
|
|
|
|
|
|
|
|
IntrospectionIncubator ii = new IntrospectionIncubator();
|
|
|
|
|
ii.setPropertyStopClass(explicit.propertyStopClass);
|
|
|
|
|
ii.setEventStopClass(explicit.eventStopClass);
|
|
|
|
|
ii.setMethodStopClass(explicit.methodStopClass);
|
|
|
|
|
ii.addMethods(beanClass.getMethods());
|
|
|
|
|
|
|
|
|
|
BeanInfoEmbryo currentInfo = ii.getBeanInfoEmbryo();
|
|
|
|
|
PropertyDescriptor[] p = explicit.explicitPropertyDescriptors;
|
|
|
|
|
if(p!=null)
|
|
|
|
|
{
|
|
|
|
|
for(int i=0;i<p.length;i++)
|
|
|
|
|
{
|
|
|
|
|
if(!currentInfo.hasProperty(p[i]))
|
|
|
|
|
{
|
|
|
|
|
currentInfo.addProperty(p[i]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if(explicit.defaultProperty != -1)
|
|
|
|
|
{
|
|
|
|
|
currentInfo.setDefaultPropertyName(p[explicit.defaultProperty].getName());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
EventSetDescriptor[] e = explicit.explicitEventSetDescriptors;
|
|
|
|
|
if(e!=null)
|
|
|
|
|
{
|
|
|
|
|
for(int i=0;i<e.length;i++)
|
|
|
|
|
{
|
|
|
|
|
if(!currentInfo.hasEvent(e[i]))
|
|
|
|
|
{
|
|
|
|
|
currentInfo.addEvent(e[i]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if(explicit.defaultEvent != -1)
|
|
|
|
|
{
|
|
|
|
|
currentInfo.setDefaultEventName(e[explicit.defaultEvent].getName());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
MethodDescriptor[] m = explicit.explicitMethodDescriptors;
|
|
|
|
|
if(m!=null)
|
|
|
|
|
{
|
|
|
|
|
for(int i=0;i<m.length;i++)
|
|
|
|
|
{
|
|
|
|
|
if(!currentInfo.hasMethod(m[i]))
|
|
|
|
|
{
|
|
|
|
|
currentInfo.addMethod(m[i]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(explicit.explicitBeanDescriptor != null)
|
|
|
|
|
{
|
|
|
|
|
currentInfo.setBeanDescriptor(new BeanDescriptor(beanClass,explicit.explicitBeanDescriptor.getCustomizerClass()));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
currentInfo.setBeanDescriptor(new BeanDescriptor(beanClass,null));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
currentInfo.setAdditionalBeanInfo(explicit.explicitBeanInfo);
|
|
|
|
|
currentInfo.setIcons(explicit.im);
|
|
|
|
|
|
|
|
|
|
return currentInfo.getBeanInfo();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Get the search path for BeanInfo classes.
|
|
|
|
|
*
|
|
|
|
|
* @return the BeanInfo search path.
|
|
|
|
|
*/
|
|
|
|
|
public static String[] getBeanInfoSearchPath()
|
|
|
|
|
{
|
|
|
|
|
return beanInfoSearchPath;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Set the search path for BeanInfo classes.
|
|
|
|
|
* @param beanInfoSearchPath the new BeanInfo search
|
|
|
|
|
* path.
|
|
|
|
|
*/
|
|
|
|
|
public static void setBeanInfoSearchPath(String[] beanInfoSearchPath)
|
|
|
|
|
{
|
|
|
|
|
Introspector.beanInfoSearchPath = beanInfoSearchPath;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* A helper method to convert a name to standard Java
|
|
|
|
|
* naming conventions: anything with two capitals as the
|
|
|
|
|
* first two letters remains the same, otherwise the
|
|
|
|
|
* first letter is decapitalized. URL = URL, I = i,
|
|
|
|
|
* MyMethod = myMethod.
|
|
|
|
|
*
|
|
|
|
|
* @param name the name to decapitalize.
|
|
|
|
|
* @return the decapitalized name.
|
|
|
|
|
*/
|
|
|
|
|
public static String decapitalize(String name)
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
if(!Character.isUpperCase(name.charAt(0)))
|
|
|
|
|
{
|
|
|
|
|
return name;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
if(Character.isUpperCase(name.charAt(1)))
|
|
|
|
|
{
|
|
|
|
|
return name;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
char[] c = name.toCharArray();
|
|
|
|
|
c[0] = Character.toLowerCase(c[0]);
|
|
|
|
|
return new String(c);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
catch(StringIndexOutOfBoundsException E)
|
|
|
|
|
{
|
|
|
|
|
char[] c = new char[1];
|
|
|
|
|
c[0] = Character.toLowerCase(name.charAt(0));
|
|
|
|
|
return new String(c);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
catch(StringIndexOutOfBoundsException E)
|
|
|
|
|
{
|
|
|
|
|
return name;
|
|
|
|
|
}
|
|
|
|
|
catch(NullPointerException E)
|
|
|
|
|
{
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static BeanInfo copyBeanInfo(BeanInfo b)
|
|
|
|
|
{
|
|
|
|
|
java.awt.Image[] icons = new java.awt.Image[4];
|
|
|
|
|
for(int i=1;i<=4;i++)
|
|
|
|
|
{
|
|
|
|
|
icons[i-1] = b.getIcon(i);
|
|
|
|
|
}
|
|
|
|
|
return new ExplicitBeanInfo(b.getBeanDescriptor(),
|
|
|
|
|
b.getAdditionalBeanInfo(),
|
|
|
|
|
b.getPropertyDescriptors(),
|
|
|
|
|
b.getDefaultPropertyIndex(),
|
|
|
|
|
b.getEventSetDescriptors(),
|
|
|
|
|
b.getDefaultEventIndex(),
|
|
|
|
|
b.getMethodDescriptors(),icons);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
class ExplicitInfo {
|
|
|
|
|
BeanDescriptor explicitBeanDescriptor;
|
|
|
|
|
BeanInfo[] explicitBeanInfo;
|
|
|
|
|
|
|
|
|
|
PropertyDescriptor[] explicitPropertyDescriptors;
|
|
|
|
|
EventSetDescriptor[] explicitEventSetDescriptors;
|
|
|
|
|
MethodDescriptor[] explicitMethodDescriptors;
|
|
|
|
|
|
|
|
|
|
int defaultProperty;
|
|
|
|
|
int defaultEvent;
|
|
|
|
|
|
|
|
|
|
java.awt.Image[] im = new java.awt.Image[4];
|
|
|
|
|
|
|
|
|
|
Class propertyStopClass;
|
|
|
|
|
Class eventStopClass;
|
|
|
|
|
Class methodStopClass;
|
|
|
|
|
|
|
|
|
|
ExplicitInfo(Class beanClass, Class stopClass) {
|
|
|
|
|
while(beanClass != null && !beanClass.equals(stopClass)) {
|
|
|
|
|
BeanInfo explicit = findExplicitBeanInfo(beanClass);
|
|
|
|
|
if(explicit != null) {
|
|
|
|
|
if(explicitBeanDescriptor == null) {
|
|
|
|
|
explicitBeanDescriptor = explicit.getBeanDescriptor();
|
|
|
|
|
}
|
|
|
|
|
if(explicitBeanInfo == null) {
|
|
|
|
|
explicitBeanInfo = explicit.getAdditionalBeanInfo();
|
|
|
|
|
}
|
|
|
|
|
if(explicitPropertyDescriptors == null) {
|
|
|
|
|
if(explicit.getPropertyDescriptors() != null) {
|
|
|
|
|
explicitPropertyDescriptors = explicit.getPropertyDescriptors();
|
|
|
|
|
defaultProperty = explicit.getDefaultPropertyIndex();
|
|
|
|
|
propertyStopClass = beanClass;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if(explicitEventSetDescriptors == null) {
|
|
|
|
|
if(explicit.getEventSetDescriptors() != null) {
|
|
|
|
|
explicitEventSetDescriptors = explicit.getEventSetDescriptors();
|
|
|
|
|
defaultEvent = explicit.getDefaultEventIndex();
|
|
|
|
|
eventStopClass = beanClass;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if(explicitMethodDescriptors == null) {
|
|
|
|
|
if(explicit.getMethodDescriptors() != null) {
|
|
|
|
|
explicitMethodDescriptors = explicit.getMethodDescriptors();
|
|
|
|
|
methodStopClass = beanClass;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if(im[0] == null
|
|
|
|
|
&& im[1] == null
|
|
|
|
|
&& im[2] == null
|
|
|
|
|
&& im[3] == null) {
|
|
|
|
|
im[0] = explicit.getIcon(0);
|
|
|
|
|
im[1] = explicit.getIcon(1);
|
|
|
|
|
im[2] = explicit.getIcon(2);
|
|
|
|
|
im[3] = explicit.getIcon(3);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
beanClass = beanClass.getSuperclass();
|
|
|
|
|
}
|
|
|
|
|
if(propertyStopClass == null) {
|
|
|
|
|
propertyStopClass = stopClass;
|
|
|
|
|
}
|
|
|
|
|
if(eventStopClass == null) {
|
|
|
|
|
eventStopClass = stopClass;
|
|
|
|
|
}
|
|
|
|
|
if(methodStopClass == null) {
|
|
|
|
|
methodStopClass = stopClass;
|
|
|
|
|
}
|
|
|
|
|
class ExplicitInfo
|
|
|
|
|
{
|
|
|
|
|
BeanDescriptor explicitBeanDescriptor;
|
|
|
|
|
BeanInfo[] explicitBeanInfo;
|
|
|
|
|
|
|
|
|
|
PropertyDescriptor[] explicitPropertyDescriptors;
|
|
|
|
|
EventSetDescriptor[] explicitEventSetDescriptors;
|
|
|
|
|
MethodDescriptor[] explicitMethodDescriptors;
|
|
|
|
|
|
|
|
|
|
int defaultProperty;
|
|
|
|
|
int defaultEvent;
|
|
|
|
|
|
|
|
|
|
java.awt.Image[] im = new java.awt.Image[4];
|
|
|
|
|
|
|
|
|
|
Class propertyStopClass;
|
|
|
|
|
Class eventStopClass;
|
|
|
|
|
Class methodStopClass;
|
|
|
|
|
|
|
|
|
|
ExplicitInfo(Class beanClass, Class stopClass)
|
|
|
|
|
{
|
|
|
|
|
while(beanClass != null && !beanClass.equals(stopClass))
|
|
|
|
|
{
|
|
|
|
|
BeanInfo explicit = findExplicitBeanInfo(beanClass);
|
|
|
|
|
if(explicit != null)
|
|
|
|
|
{
|
|
|
|
|
if(explicitBeanDescriptor == null)
|
|
|
|
|
{
|
|
|
|
|
explicitBeanDescriptor = explicit.getBeanDescriptor();
|
|
|
|
|
}
|
|
|
|
|
if(explicitBeanInfo == null)
|
|
|
|
|
{
|
|
|
|
|
explicitBeanInfo = explicit.getAdditionalBeanInfo();
|
|
|
|
|
}
|
|
|
|
|
if(explicitPropertyDescriptors == null)
|
|
|
|
|
{
|
|
|
|
|
if(explicit.getPropertyDescriptors() != null)
|
|
|
|
|
{
|
|
|
|
|
explicitPropertyDescriptors = explicit.getPropertyDescriptors();
|
|
|
|
|
defaultProperty = explicit.getDefaultPropertyIndex();
|
|
|
|
|
propertyStopClass = beanClass;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if(explicitEventSetDescriptors == null)
|
|
|
|
|
{
|
|
|
|
|
if(explicit.getEventSetDescriptors() != null)
|
|
|
|
|
{
|
|
|
|
|
explicitEventSetDescriptors = explicit.getEventSetDescriptors();
|
|
|
|
|
defaultEvent = explicit.getDefaultEventIndex();
|
|
|
|
|
eventStopClass = beanClass;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if(explicitMethodDescriptors == null)
|
|
|
|
|
{
|
|
|
|
|
if(explicit.getMethodDescriptors() != null)
|
|
|
|
|
{
|
|
|
|
|
explicitMethodDescriptors = explicit.getMethodDescriptors();
|
|
|
|
|
methodStopClass = beanClass;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if(im[0] == null && im[1] == null
|
|
|
|
|
&& im[2] == null && im[3] == null)
|
|
|
|
|
{
|
|
|
|
|
im[0] = explicit.getIcon(0);
|
|
|
|
|
im[1] = explicit.getIcon(1);
|
|
|
|
|
im[2] = explicit.getIcon(2);
|
|
|
|
|
im[3] = explicit.getIcon(3);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
beanClass = beanClass.getSuperclass();
|
|
|
|
|
}
|
|
|
|
|
if(propertyStopClass == null)
|
|
|
|
|
{
|
|
|
|
|
propertyStopClass = stopClass;
|
|
|
|
|
}
|
|
|
|
|
if(eventStopClass == null)
|
|
|
|
|
{
|
|
|
|
|
eventStopClass = stopClass;
|
|
|
|
|
}
|
|
|
|
|
if(methodStopClass == null)
|
|
|
|
|
{
|
|
|
|
|
methodStopClass = stopClass;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static Hashtable explicitBeanInfos = new Hashtable();
|
|
|
|
|
static Vector emptyBeanInfos = new Vector();
|
|
|
|
|
|
|
|
|
|
static BeanInfo findExplicitBeanInfo(Class beanClass)
|
|
|
|
|
{
|
|
|
|
|
BeanInfo retval = (BeanInfo)explicitBeanInfos.get(beanClass);
|
|
|
|
|
if(retval != null)
|
|
|
|
|
{
|
|
|
|
|
return retval;
|
|
|
|
|
}
|
|
|
|
|
else if(emptyBeanInfos.indexOf(beanClass) != -1)
|
|
|
|
|
{
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
retval = reallyFindExplicitBeanInfo(beanClass);
|
|
|
|
|
if(retval != null)
|
|
|
|
|
{
|
|
|
|
|
explicitBeanInfos.put(beanClass,retval);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
emptyBeanInfos.addElement(beanClass);
|
|
|
|
|
}
|
|
|
|
|
return retval;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static BeanInfo reallyFindExplicitBeanInfo(Class beanClass)
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
return (BeanInfo)Class.forName(beanClass.getName()+"BeanInfo").newInstance();
|
|
|
|
|
}
|
|
|
|
|
catch(ClassNotFoundException E)
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static Hashtable explicitBeanInfos = new Hashtable();
|
|
|
|
|
static Vector emptyBeanInfos = new Vector();
|
|
|
|
|
|
|
|
|
|
static BeanInfo findExplicitBeanInfo(Class beanClass) {
|
|
|
|
|
BeanInfo retval = (BeanInfo)explicitBeanInfos.get(beanClass);
|
|
|
|
|
if(retval != null) {
|
|
|
|
|
return retval;
|
|
|
|
|
} else if(emptyBeanInfos.indexOf(beanClass) != -1) {
|
|
|
|
|
return null;
|
|
|
|
|
} else {
|
|
|
|
|
retval = reallyFindExplicitBeanInfo(beanClass);
|
|
|
|
|
if(retval != null) {
|
|
|
|
|
explicitBeanInfos.put(beanClass,retval);
|
|
|
|
|
} else {
|
|
|
|
|
emptyBeanInfos.addElement(beanClass);
|
|
|
|
|
}
|
|
|
|
|
return retval;
|
|
|
|
|
String newName = ClassHelper.getTruncatedClassName(beanClass) + "BeanInfo";
|
|
|
|
|
for(int i=0;i<Introspector.beanInfoSearchPath.length;i++)
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
if(Introspector.beanInfoSearchPath[i].equals(""))
|
|
|
|
|
{
|
|
|
|
|
return (BeanInfo)Class.forName(newName).newInstance();
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
return (BeanInfo)Class.forName(Introspector.beanInfoSearchPath[i] + "." + newName).newInstance();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
catch(ClassNotFoundException E)
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static BeanInfo reallyFindExplicitBeanInfo(Class beanClass) {
|
|
|
|
|
try {
|
|
|
|
|
try {
|
|
|
|
|
return (BeanInfo)Class.forName(beanClass.getName()+"BeanInfo").newInstance();
|
|
|
|
|
} catch(ClassNotFoundException E) {
|
|
|
|
|
}
|
|
|
|
|
String newName = ClassHelper.getTruncatedClassName(beanClass) + "BeanInfo";
|
|
|
|
|
for(int i=0;i<Introspector.beanInfoSearchPath.length;i++) {
|
|
|
|
|
try {
|
|
|
|
|
if(Introspector.beanInfoSearchPath[i].equals("")) {
|
|
|
|
|
return (BeanInfo)Class.forName(newName).newInstance();
|
|
|
|
|
} else {
|
|
|
|
|
return (BeanInfo)Class.forName(Introspector.beanInfoSearchPath[i] + "." + newName).newInstance();
|
|
|
|
|
}
|
|
|
|
|
} catch(ClassNotFoundException E) {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} catch(IllegalAccessException E) {
|
|
|
|
|
} catch(InstantiationException E) {
|
|
|
|
|
}
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
catch(IllegalAccessException E)
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
catch(InstantiationException E)
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
Mark Wielaard