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verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
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1 files changed, 421 insertions, 0 deletions

diff --git a/libjava/classpath/java/beans/IndexedPropertyDescriptor.java b/libjava/classpath/java/beans/IndexedPropertyDescriptor.java
new file mode 100644
index 000000000..b7914133a
--- /dev/null
+++ b/libjava/classpath/java/beans/IndexedPropertyDescriptor.java
@@ -0,0 +1,421 @@
+/* IndexedPropertyDescriptor.java --
+   Copyright (C) 1998, 2003 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.beans;
+
+import java.lang.reflect.Array;
+import java.lang.reflect.Method;
+
+/**
+ * IndexedPropertyDescriptor describes information about a JavaBean
+ * indexed property, by which we mean an array-like property that
+ * has been exposed via a pair of get and set methods and another
+ * pair that allows you to get to the property by an index.<P>
+ *
+ * An example property would have four methods like this:<P>
+ * <CODE>FooBar[] getFoo()</CODE><BR>
+ * <CODE>void setFoo(FooBar[])</CODE><BR>
+ * <CODE>FooBar getFoo(int)</CODE><BR>
+ * <CODE>void setFoo(int,FooBar)</CODE><P>
+ *
+ * The constraints put on get and set methods are:<P>
+ * <OL>
+ * <LI>There must be at least a get(int) or a set(int,...) method.
+ * Nothing else is required.  <B>Spec note:</B>One nice restriction
+ * would be that if there is a get() there must be a get(int), same
+ * with set, but that is not in the spec and is fairly harmless.)</LI>
+ * <LI>A get array method must have signature
+ *     <CODE>&lt;propertyType&gt;[] &lt;getMethodName&gt;()</CODE></LI>
+ * <LI>A set array method must have signature
+ *     <CODE>void &lt;setMethodName&gt;(&lt;propertyType&gt;[])</CODE></LI>
+ * <LI>A get index method must have signature
+ *     <CODE>&lt;propertyType&gt; &lt;getMethodName&gt;(int)</CODE></LI>
+ * <LI>A set index method must have signature
+ *     <CODE>void &lt;setMethodName&gt;(int,&lt;propertyType&gt;)</CODE></LI>
+ * <LI>All these methods may throw any exception.</LI>
+ * <LI>All these methods must be public.</LI>
+ * </OL>
+ *
+ * @author John Keiser
+ * @since JDK1.1
+ */
+public class IndexedPropertyDescriptor extends PropertyDescriptor
+{
+  private Class<?> indexedPropertyType;
+  private Method setIndex;
+  private Method getIndex;
+
+  /**
+   * Create a new IndexedPropertyDescriptor by introspection.
+   * This form of constructor creates the PropertyDescriptor by
+   * looking for getter methods named <CODE>get&lt;name&gt;()</CODE>
+   * and setter methods named
+   * <CODE>set&lt;name&gt;()</CODE> in class
+   * <CODE>&lt;beanClass&gt;</CODE>, where &lt;name&gt; has its
+   * first letter capitalized by the constructor.<P>
+   *
+   * <B>Implementation note:</B> If there is a get(int) method,
+   * then the return type of that method is used to find the
+   * remaining methods.  If there is no get method, then the
+   * set(int) method is searched for exhaustively and that type
+   * is used to find the others.<P>
+   *
+   * <B>Spec note:</B>
+   * If there is no get(int) method and multiple set(int) methods with
+   * the same name and the correct parameters (different type of course),
+   * then an IntrospectionException is thrown.  While Sun's spec
+   * does not state this, it can make Bean behavior different on
+   * different systems (since method order is not guaranteed) and as
+   * such, can be treated as a bug in the spec.  I am not aware of
+   * whether Sun's implementation catches this.
+   *
+   * @param name the programmatic name of the property, usually
+   *             starting with a lowercase letter (e.g. fooManChu
+   *             instead of FooManChu).
+   * @param beanClass the class the get and set methods live in.
+   *
+   * @exception IntrospectionException if the methods are not found or
+   *            invalid.
+   */
+  public IndexedPropertyDescriptor(String name, Class<?> beanClass)
+    throws IntrospectionException
+  {
+    super(name);
+    String capitalized;
+    try
+      {
+        capitalized = Character.toUpperCase(name.charAt(0))
+          + name.substring(1);
+      }
+    catch(StringIndexOutOfBoundsException e)
+      {
+        capitalized = "";
+      }
+    findMethods(beanClass, "get" + capitalized, "set" + capitalized,
+                "get" + capitalized, "set" + capitalized);
+  }
+
+  /**
+   * Create a new IndexedPropertyDescriptor by introspection.
+   * This form of constructor allows you to specify the
+   * names of the get and set methods to search for.<P>
+   *
+   * <B>Implementation note:</B> If there is a get(int) method,
+   * then the return type of that method is used to find the
+   * remaining methods.  If there is no get method, then the
+   * set(int) method is searched for exhaustively and that type
+   * is used to find the others.<P>
+   *
+   * <B>Spec note:</B>
+   * If there is no get(int) method and multiple set(int) methods with
+   * the same name and the correct parameters (different type of course),
+   * then an IntrospectionException is thrown.  While Sun's spec
+   * does not state this, it can make Bean behavior different on
+   * different systems (since method order is not guaranteed) and as
+   * such, can be treated as a bug in the spec.  I am not aware of
+   * whether Sun's implementation catches this.
+   *
+   * @param name the programmatic name of the property, usually
+   *             starting with a lowercase letter (e.g. fooManChu
+   *             instead of FooManChu).
+   * @param beanClass the class the get and set methods live in.
+   * @param getMethodName the name of the get array method.
+   * @param setMethodName the name of the set array method.
+   * @param getIndexName the name of the get index method.
+   * @param setIndexName the name of the set index method.
+   *
+   * @exception IntrospectionException if the methods are not found or invalid.
+   */
+  public IndexedPropertyDescriptor(String name, Class<?> beanClass,
+                                   String getMethodName, String setMethodName,
+                                   String getIndexName, String setIndexName)
+    throws IntrospectionException
+  {
+    super(name);
+    findMethods(beanClass, getMethodName, setMethodName, getIndexName,
+                setIndexName);
+  }
+
+  /**
+   * Create a new PropertyDescriptor using explicit Methods.
+   * Note that the methods will be checked for conformance to standard
+   * Property method rules, as described above at the top of this class.
+   *
+   * @param name the programmatic name of the property, usually
+   *             starting with a lowercase letter (e.g. fooManChu
+   *             instead of FooManChu).
+   * @param getMethod the get array method.
+   * @param setMethod the set array method.
+   * @param getIndex the get index method.
+   * @param setIndex the set index method.
+   *
+   * @exception IntrospectionException if the methods are not found or invalid.
+   */
+  public IndexedPropertyDescriptor(String name, Method getMethod,
+                                   Method setMethod, Method getIndex,
+                                   Method setIndex)
+    throws IntrospectionException
+  {
+    super(name);
+    if(getMethod != null && getMethod.getParameterTypes().length > 0)
+      throw new IntrospectionException("get method has parameters");
+    if(getMethod != null && setMethod.getParameterTypes().length != 1)
+      throw new IntrospectionException("set method does not have exactly one parameter");
+    if(getMethod != null && setMethod != null)
+      {
+        if(!getMethod.getReturnType().equals(setMethod.getParameterTypes()[0]))
+          {
+            throw new IntrospectionException("set and get methods do not "
+                                             + "share the same type");
+          }
+        if(!getMethod.getDeclaringClass().isAssignableFrom
+           (setMethod.getDeclaringClass())
+           && !setMethod.getDeclaringClass().isAssignableFrom
+           (getMethod.getDeclaringClass()))
+          {
+            throw new IntrospectionException("set and get methods are not in "
+                                             + "the same class.");
+          }
+      }
+
+    if (getIndex != null
+        && (getIndex.getParameterTypes().length != 1
+         || !(getIndex.getParameterTypes()[0]).equals(java.lang.Integer.TYPE)))
+      {
+        throw new IntrospectionException("get index method has wrong "
+                                         + "parameters");
+      }
+    if (setIndex != null
+       && (setIndex.getParameterTypes().length != 2
+         || !(setIndex.getParameterTypes()[0]).equals(java.lang.Integer.TYPE)))
+      {
+        throw new IntrospectionException("set index method has wrong "
+                                         + "parameters");
+      }
+    if (getIndex != null && setIndex != null)
+      {
+        if(!getIndex.getReturnType().equals(setIndex.getParameterTypes()[1]))
+          {
+            throw new IntrospectionException("set index methods do not share "
+                                             + "the same type");
+          }
+        if(!getIndex.getDeclaringClass().isAssignableFrom
+           (setIndex.getDeclaringClass())
+           && !setIndex.getDeclaringClass().isAssignableFrom
+           (getIndex.getDeclaringClass()))
+          {
+            throw new IntrospectionException("get and set index methods are "
+                                             + "not in the same class.");
+          }
+      }
+
+    if (getIndex != null && getMethod != null
+        && !getIndex.getDeclaringClass().isAssignableFrom
+        (getMethod.getDeclaringClass())
+        && !getMethod.getDeclaringClass().isAssignableFrom
+        (getIndex.getDeclaringClass()))
+      {
+        throw new IntrospectionException("methods are not in the same class.");
+      }
+
+    if (getIndex != null && getMethod != null
+        && !Array.newInstance(getIndex.getReturnType(),0)
+        .getClass().equals(getMethod.getReturnType()))
+      {
+        throw new IntrospectionException("array methods do not match index "
+                                         + "methods.");
+      }
+
+    this.getMethod = getMethod;
+    this.setMethod = setMethod;
+    this.getIndex = getIndex;
+    this.setIndex = setIndex;
+    this.indexedPropertyType = getIndex != null ? getIndex.getReturnType()
+                                             : setIndex.getParameterTypes()[1];
+    this.propertyType = getMethod != null ? getMethod.getReturnType()
+      : (setMethod != null ? setMethod.getParameterTypes()[0]
+         : Array.newInstance(this.indexedPropertyType,0).getClass());
+  }
+
+  public Class<?> getIndexedPropertyType()
+  {
+    return indexedPropertyType;
+  }
+
+  public Method getIndexedReadMethod()
+  {
+    return getIndex;
+  }
+
+  /**
+   * Sets the method that is used to read an indexed property.
+   *
+   * @param m the method to set
+   */
+  public void setIndexedReadMethod(Method m) throws IntrospectionException
+  {
+    getIndex = m;
+  }
+
+  public Method getIndexedWriteMethod()
+  {
+    return setIndex;
+  }
+
+  /**
+   * Sets the method that is used to write an indexed property.
+   *
+   * @param m the method to set
+   */
+  public void setIndexedWriteMethod(Method m) throws IntrospectionException
+  {
+    setIndex = m;
+  }
+
+  private void findMethods(Class beanClass, String getMethodName,
+                           String setMethodName, String getIndexName,
+                           String setIndexName)
+    throws IntrospectionException
+  {
+    try
+      {
+        if(getIndexName != null)
+          {
+            try
+              {
+                Class[] getArgs = new Class[1];
+                getArgs[0] = java.lang.Integer.TYPE;
+                getIndex = beanClass.getMethod(getIndexName,getArgs);
+                indexedPropertyType = getIndex.getReturnType();
+              }
+            catch(NoSuchMethodException E)
+              {
+              }
+          }
+        if(getIndex != null)
+          {
+            if(setIndexName != null)
+              {
+                try
+                  {
+                    Class[] setArgs = new Class[2];
+                    setArgs[0] = java.lang.Integer.TYPE;
+                    setArgs[1] = indexedPropertyType;
+                    setIndex = beanClass.getMethod(setIndexName,setArgs);
+                    if(!setIndex.getReturnType().equals(java.lang.Void.TYPE))
+                      {
+                        throw new IntrospectionException(setIndexName
+                                                + " has non-void return type");
+                      }
+                  }
+                catch(NoSuchMethodException E)
+                  {
+                  }
+              }
+          }
+        else if(setIndexName != null)
+          {
+            Method[] m = beanClass.getMethods();
+            for(int i=0;i<m.length;i++)
+              {
+                Method current = m[i];
+                if(current.getName().equals(setIndexName)
+                   && current.getParameterTypes().length == 2
+                   && (current.getParameterTypes()[0])
+                   .equals(java.lang.Integer.TYPE)
+                   && current.getReturnType().equals(java.lang.Void.TYPE))
+                  {
+                    if(setIndex != null)
+                      {
+                        throw new IntrospectionException("Multiple, different "
+                                     + "set methods found that fit the bill!");
+                      }
+                    else
+                      {
+                        setIndex = current;
+                        indexedPropertyType = current.getParameterTypes()[1];
+                      }
+                  }
+              }
+            if(setIndex == null)
+              {
+                throw new IntrospectionException("Cannot find get or set "
+                                                 + "methods.");
+              }
+          }
+        else
+          {
+           throw new IntrospectionException("Cannot find get or set methods.");
+          }
+
+        Class arrayType = Array.newInstance(indexedPropertyType,0).getClass();
+
+        Class[] setArgs = new Class[1];
+        setArgs[0] = arrayType;
+        try
+          {
+            setMethod = beanClass.getMethod(setMethodName,setArgs);
+            if (!setMethod.getReturnType().equals(java.lang.Void.TYPE))
+              {
+                setMethod = null;
+              }
+          }
+        catch(NoSuchMethodException E)
+          {
+          }
+
+        Class[] getArgs = new Class[0];
+        try
+          {
+            getMethod = beanClass.getMethod(getMethodName,getArgs);
+            if (!getMethod.getReturnType().equals(arrayType))
+              {
+                getMethod = null;
+              }
+          }
+        catch(NoSuchMethodException E)
+          {
+          }
+      }
+    catch(SecurityException E)
+      {
+        throw new IntrospectionException("SecurityException while trying to "
+                                         + "find methods.");
+      }
+  }
+}