152 lines
7.2 KiB
Java
152 lines
7.2 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.xerces.util;
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import org.apache.tools.ant.BuildException;
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import org.apache.tools.ant.Project;
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import org.apache.tools.ant.types.Path;
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import org.apache.tools.ant.util.JavaEnvUtils;
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import org.apache.tools.ant.taskdefs.Javac;
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import java.lang.StringBuffer;
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import java.util.Properties;
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import java.util.Locale;
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/**
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* The implementation of the javac compiler for JDK 1.4 and above
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*
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* The purpose of this task is to diagnose whether we're
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* running on a 1.4 or above JVM; if we are, to
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* set up the bootclasspath such that the build will
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* succeed; if we aren't, then invoke the Javac12
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* task.
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*
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* @author Neil Graham, IBM
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*/
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public class XJavac extends Javac {
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/**
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* Run the compilation.
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*
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* @exception BuildException if the compilation has problems.
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*/
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public void execute() throws BuildException {
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if(isJDK14OrHigher()) {
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// maybe the right one; check vendor:
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// by checking system properties:
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Properties props = null;
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try {
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props = System.getProperties();
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} catch (Exception e) {
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throw new BuildException("unable to determine java vendor because could not access system properties!");
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}
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// this is supposed to be provided by all JVM's from time immemorial
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String vendor = ((String)props.get("java.vendor")).toUpperCase(Locale.ENGLISH);
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if (vendor.indexOf("IBM") >= 0) {
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// we're on an IBM 1.4 or higher; fiddle with the bootclasspath.
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setBootclasspath(createIBMJDKBootclasspath());
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}
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// need to do special things for Sun too and also
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// for Apple, HP, FreeBSD, SableVM, Kaffe and Blackdown: a Linux port of Sun Java
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else if( (vendor.indexOf("SUN") >= 0) ||
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(vendor.indexOf("BLACKDOWN") >= 0) ||
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(vendor.indexOf("APPLE") >= 0) ||
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(vendor.indexOf("HEWLETT-PACKARD") >= 0) ||
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(vendor.indexOf("KAFFE") >= 0) ||
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(vendor.indexOf("SABLE") >= 0) ||
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(vendor.indexOf("FREEBSD") >= 0)) {
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// we're on an SUN 1.4 or higher; fiddle with the bootclasspath.
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// since we can't eviscerate XML-related info here,
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// we must use the classpath
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Path bcp = createBootclasspath();
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Path clPath = getClasspath();
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bcp.append(clPath);
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String currBCP = (String)props.get("sun.boot.class.path");
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Path currBCPath = new Path(null);
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currBCPath.createPathElement().setPath(currBCP);
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bcp.append(currBCPath);
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setBootclasspath(bcp);
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}
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}
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// now just do the normal thing:
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super.execute();
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}
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/**
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* Creates bootclasspath for IBM JDK 1.4 and above.
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*/
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private Path createIBMJDKBootclasspath() {
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Path bcp = createBootclasspath();
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String javaHome = System.getProperty("java.home");
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StringBuffer bcpMember = new StringBuffer();
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bcpMember.append(javaHome).append("/lib/charsets.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/core.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/vm.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/java.util.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/rt.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/graphics.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/javaws.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/jaws.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/security.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/server.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/ext/JawBridge.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/ext/gskikm.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/ext/ibmjceprovider.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/ext/indicim.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/ext/jaccess.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/ext/ldapsec.jar:");
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bcp.createPathElement().setPath(bcpMember.toString());
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bcpMember.replace(javaHome.length(), bcpMember.length(), "/lib/ext/oldcertpath.jar");
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bcp.createPathElement().setPath(bcpMember.toString());
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return bcp;
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}
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/**
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* Checks whether the JDK version is 1.4 or higher. If it's not
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* JDK 1.4 we check whether we're on a future JDK by checking
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* that we're not on JDKs 1.0, 1.1, 1.2 or 1.3. This check by
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* exclusion should future proof this task from new versions of
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* Ant which are aware of higher JDK versions.
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*
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* @return true if the JDK version is 1.4 or higher.
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*/
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private boolean isJDK14OrHigher() {
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final String version = JavaEnvUtils.getJavaVersion();
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return version.equals(JavaEnvUtils.JAVA_1_4) ||
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(!version.equals(JavaEnvUtils.JAVA_1_3) &&
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!version.equals(JavaEnvUtils.JAVA_1_2) &&
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!version.equals(JavaEnvUtils.JAVA_1_1) &&
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!version.equals(JavaEnvUtils.JAVA_1_0));
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}
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}
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