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/*******************************************************************************
* Copyright (c) 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.tools.internal;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Properties;
public class MetaData {
Properties data;
public MetaData(Properties data) {
this.data = data;
}
public ClassData getMetaData(Class clazz) {
String key = JNIGenerator.toC(clazz.getName());
String value = getMetaData(key, "");
return new ClassData(clazz, value);
}
public FieldData getMetaData(Field field) {
String className = JNIGenerator.getClassName(field.getDeclaringClass());
String key = className + "_" + field.getName();
String value = getMetaData(key, "");
return new FieldData(field, value);
}
boolean convertTo32Bit(Class[] paramTypes) {
boolean changed = false;
for (int i = 0; i < paramTypes.length; i++) {
Class paramType = paramTypes[i];
if (paramType == Long.TYPE) {
paramTypes[i] = Integer.TYPE;
changed = true;
}
if (paramType == long[].class) {
paramTypes[i] = int[].class;
changed = true;
}
}
return changed;
}
public MethodData getMetaData(Method method) {
String className = JNIGenerator.getClassName(method.getDeclaringClass());
String key = className + "_" + JNIGenerator.getFunctionName(method);
String value = getMetaData(key, null);
if (value == null) {
key = className + "_" + method.getName();
value = getMetaData(key, null);
}
/*
* Support for 64 bit port.
*/
if (value == null) {
Class[] paramTypes = method.getParameterTypes();
if (convertTo32Bit(paramTypes)) {
key = className + "_" + JNIGenerator.getFunctionName(method, paramTypes);
value = getMetaData(key, null);
}
}
if (value == null) value = "";
return new MethodData(method, value);
}
public ParameterData getMetaData(Method method, int parameter) {
String className = JNIGenerator.getClassName(method.getDeclaringClass());
String key = className + "_" + JNIGenerator.getFunctionName(method) + "_" + parameter;
String value = getMetaData(key, null);
if (value == null) {
key = className + "_" + method.getName() + "_" + parameter;
value = getMetaData(key, null);
}
/*
* Support for 64 bit port.
*/
if (value == null) {
Class[] paramTypes = method.getParameterTypes();
if (convertTo32Bit(paramTypes)) {
key = className + "_" + JNIGenerator.getFunctionName(method, paramTypes) + "_" + parameter;
value = getMetaData(key, null);
}
}
if (value == null) value = "";
return new ParameterData(method, parameter, value);
}
public String getMetaData(String key, String defaultValue) {
return data.getProperty(key, defaultValue);
}
public void setMetaData(Class clazz, ClassData value) {
String key = JNIGenerator.toC(clazz.getName());
setMetaData(key, value.toString());
}
public void setMetaData(Field field, FieldData value) {
String className = JNIGenerator.getClassName(field.getDeclaringClass());
String key = className + "_" + field.getName();
setMetaData(key, value.toString());
}
public void setMetaData(Method method, MethodData value) {
String key;
String className = JNIGenerator.getClassName(method.getDeclaringClass());
if (JNIGenerator.isUnique(method, Modifier.NATIVE)) {
key = className + "_" + method.getName ();
} else {
key = className + "_" + JNIGenerator.getFunctionName(method);
}
setMetaData(key, value.toString());
}
public void setMetaData(Method method, int arg, ParameterData value) {
String key;
String className = JNIGenerator.getClassName(method.getDeclaringClass());
if (JNIGenerator.isUnique(method, Modifier.NATIVE)) {
key = className + "_" + method.getName () + "_" + arg;
} else {
key = className + "_" + JNIGenerator.getFunctionName(method) + "_" + arg;
}
setMetaData(key, value.toString());
}
public void setMetaData(String key, String value) {
data.setProperty(key, value);
}
}
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