| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.tools.ant.taskdefs.compilers; |
| |
| import java.io.OutputStream; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Method; |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.Project; |
| import org.apache.tools.ant.util.JavaEnvUtils; |
| import org.apache.tools.ant.util.FileUtils; |
| import org.apache.tools.ant.taskdefs.LogOutputStream; |
| import org.apache.tools.ant.types.Commandline; |
| |
| /** |
| * The implementation of the javac compiler for JDK 1.2 |
| * This is primarily a cut-and-paste from the original javac task before it |
| * was refactored. |
| * |
| * @since Ant 1.3 |
| */ |
| public class Javac12 extends DefaultCompilerAdapter { |
| protected static final String CLASSIC_COMPILER_CLASSNAME = "sun.tools.javac.Main"; |
| |
| /** |
| * Run the compilation. |
| * @return true if the compiler ran with a zero exit result (ok) |
| * @exception BuildException if the compilation has problems. |
| */ |
| public boolean execute() throws BuildException { |
| attributes.log("Using classic compiler", Project.MSG_VERBOSE); |
| Commandline cmd = setupJavacCommand(true); |
| |
| OutputStream logstr = new LogOutputStream(attributes, Project.MSG_WARN); |
| try { |
| // Create an instance of the compiler, redirecting output to |
| // the project log |
| Class c = Class.forName(CLASSIC_COMPILER_CLASSNAME); |
| Constructor cons = |
| c.getConstructor(new Class[] {OutputStream.class, |
| String.class}); |
| Object compiler |
| = cons.newInstance(new Object[] {logstr, "javac"}); |
| |
| // Call the compile() method |
| Method compile = c.getMethod("compile", |
| new Class [] {String[].class}); |
| Boolean ok = |
| (Boolean) compile.invoke(compiler, |
| new Object[] {cmd.getArguments()}); |
| return ok.booleanValue(); |
| } catch (ClassNotFoundException ex) { |
| throw new BuildException("Cannot use classic compiler , as it is " |
| + "not available. \n" |
| + " A common solution is " |
| + "to set the environment variable" |
| + " JAVA_HOME to your jdk directory.\n" |
| + "It is currently set to \"" |
| + JavaEnvUtils.getJavaHome() |
| + "\"", |
| location); |
| } catch (Exception ex) { |
| if (ex instanceof BuildException) { |
| throw (BuildException) ex; |
| } else { |
| throw new BuildException("Error starting classic compiler: ", |
| ex, location); |
| } |
| } finally { |
| FileUtils.close(logstr); |
| } |
| } |
| } |