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Bug 305815 - Better organize Java interfaces. Implement getGREPathWithProperties(). r=bsmedberg, r=lbustelo. Not part of default build.

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git-svn-id: svn://10.0.0.236/trunk@183165 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
pedemont%us.ibm.com
2005-10-28 01:59:05 +00:00
parent d1bfc94a99
commit 133ff28d62
20 changed files with 2240 additions and 316 deletions
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106
mozilla/extensions/java/xpcom/XPCOMJavaProxy.java
View File

@@ -35,9 +35,10 @@
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.xpcom;
package org.mozilla.xpcom.internal;
import java.lang.reflect.*;
import org.mozilla.xpcom.*;
/**
@@ -45,7 +46,7 @@ import java.lang.reflect.*;
* <code>java.lang.reflect.Proxy</code> instance is created using the expected
* interface, and all calls to the proxy are forwarded to the XPCOM object.
*/
public final class XPCOMJavaProxy implements InvocationHandler {
public class XPCOMJavaProxy implements InvocationHandler {
/**
* Pointer to the XPCOM object for which we are a proxy.
@@ -57,11 +58,22 @@ public final class XPCOMJavaProxy implements InvocationHandler {
*
* @param aXPCOMInstance address of XPCOM object as a long
*/
public XPCOMJavaProxy(long aXPCOMInstance)
{
public XPCOMJavaProxy(long aXPCOMInstance) {
nativeXPCOMPtr = aXPCOMInstance;
}
/**
* Returns the XPCOM object that the given proxy references.
*
* @param aProxy Proxy created by <code>createProxy</code>
*
* @return address of XPCOM object as a long
*/
protected static long getNativeXPCOMInstance(Object aProxy) {
XPCOMJavaProxy proxy = (XPCOMJavaProxy) Proxy.getInvocationHandler(aProxy);
return proxy.nativeXPCOMPtr;
}
/**
* Creates a Proxy for the given XPCOM object.
*
@@ -70,12 +82,10 @@ public final class XPCOMJavaProxy implements InvocationHandler {
*
* @return Proxy of given XPCOM object
*/
protected static Object createProxy(Class aInterface, long aXPCOMInstance)
{
protected static Object createProxy(Class aInterface, long aXPCOMInstance) {
return Proxy.newProxyInstance(aInterface.getClassLoader(),
new Class[] { aInterface,
XPCOMJavaProxyBase.class },
new XPCOMJavaProxy(aXPCOMInstance));
new Class[] { aInterface, XPCOMJavaProxyBase.class },
new XPCOMJavaProxy(aXPCOMInstance));
}
/**
@@ -90,8 +100,7 @@ public final class XPCOMJavaProxy implements InvocationHandler {
* @return return value as defined by given <code>aMethod</code>
*/
public Object invoke(Object aProxy, Method aMethod, Object[] aParams)
throws Throwable
{
throws Throwable {
String methodName = aMethod.getName();
// Handle the three java.lang.Object methods that are passed to us.
@@ -134,8 +143,7 @@ public final class XPCOMJavaProxy implements InvocationHandler {
*
* @see Object#hashCode()
*/
protected static Integer proxyHashCode(Object aProxy)
{
protected static Integer proxyHashCode(Object aProxy) {
return new Integer(System.identityHashCode(aProxy));
}
@@ -150,11 +158,28 @@ public final class XPCOMJavaProxy implements InvocationHandler {
*
* @see Object#equals(Object)
*/
protected static Boolean proxyEquals(Object aProxy, Object aOther)
{
protected static Boolean proxyEquals(Object aProxy, Object aOther) {
return (aProxy == aOther ? Boolean.TRUE : Boolean.FALSE);
}
/**
* Indicates whether the given object is an XPCOMJavaProxy.
*
* @param aObject object to check
*
* @return <code>true</code> if the given object is an XPCOMJavaProxy;
* <code>false</code> otherwise
*/
protected static boolean isXPCOMJavaProxy(Object aObject) {
if (Proxy.isProxyClass(aObject.getClass())) {
InvocationHandler h = Proxy.getInvocationHandler(aObject);
if (h instanceof XPCOMJavaProxy) {
return true;
}
}
return false;
}
/**
* Handles method calls of <code>java.lang.Object.toString</code>
*
@@ -164,44 +189,23 @@ public final class XPCOMJavaProxy implements InvocationHandler {
*
* @see Object#toString()
*/
protected static String proxyToString(Object aProxy)
{
protected static String proxyToString(Object aProxy) {
return aProxy.getClass().getInterfaces()[0].getName() + '@' +
Integer.toHexString(aProxy.hashCode());
}
/**
* Indicates whether the given object is an XPCOMJavaProxy.
* Called when the proxy is garbage collected by the JVM. Allows us to clean
* up any references to the XPCOM object.
*
* @param aObject object to check
*
* @return <code>true</code> if the given object is an XPCOMJavaProxy;
* <code>false</code> otherwise
* @param aProxy reference to Proxy that is being garbage collected
*/
protected static boolean isXPCOMJavaProxy(Object aObject)
{
Class objectClass = aObject.getClass();
if (Proxy.isProxyClass(objectClass)) {
Class[] interfaces = objectClass.getInterfaces();
if (interfaces[interfaces.length-1] == XPCOMJavaProxyBase.class) {
return true;
}
}
return false;
protected void finalizeProxy(Object aProxy) throws Throwable {
finalizeProxyNative(aProxy);
super.finalize();
}
/**
* Returns the XPCOM object that the given proxy references.
*
* @param aProxy Proxy created by <code>createProxy</code>
*
* @return address of XPCOM object as a long
*/
protected static long getNativeXPCOMInstance(Object aProxy)
{
XPCOMJavaProxy proxy = (XPCOMJavaProxy) Proxy.getInvocationHandler(aProxy);
return proxy.nativeXPCOMPtr;
}
protected static native void finalizeProxyNative(Object aProxy);
/**
* Calls the XPCOM object referenced by the proxy with the given method.
@@ -215,16 +219,8 @@ public final class XPCOMJavaProxy implements InvocationHandler {
* @exception XPCOMException if XPCOM method failed. Values of XPCOMException
* are defined by the method called.
*/
protected static native
Object callXPCOMMethod(Object aProxy, String aMethodName, Object[] aParams);
/**
* Called when the proxy is garbage collected by the JVM. Allows us to clean
* up any references to the XPCOM object.
*
* @param aProxy reference to Proxy that is being garbage collected
*/
protected static native
void finalizeProxy(Object aProxy);
protected static native Object callXPCOMMethod(Object aProxy,
String aMethodName, Object[] aParams);
}