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+/*
+ * 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.rmic;
+
+import java.io.IOException;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.taskdefs.Execute;
+import org.apache.tools.ant.taskdefs.LogStreamHandler;
+import org.apache.tools.ant.taskdefs.Rmic;
+import org.apache.tools.ant.types.Commandline;
+import org.apache.tools.ant.util.JavaEnvUtils;
+
+/**
+ * This is an extension of the sun rmic compiler, which forks rather than
+ * executes it inline. Why so? Because rmic is dog slow, but if you fork the
+ * compiler you can have multiple copies compiling different bits of your project
+ * at the same time. Which, on a multi-cpu system results in significant speedups.
+ *
+ * Also, Java1.6 behaves oddly with -XNew, so we switch it on here if needed.
+ * @since ant1.7
+ */
+public class ForkingSunRmic extends DefaultRmicAdapter {
+
+ /**
+ * the name of this adapter for users to select
+ */
+ public static final String COMPILER_NAME = "forking";
+
+ /**
+ * exec by creating a new command
+ * @return true if the command ran successfully
+ * @throws BuildException on error
+ */
+ public boolean execute() throws BuildException {
+ Rmic owner = getRmic();
+ Commandline cmd = setupRmicCommand();
+ Project project = owner.getProject();
+ String executable = owner.getExecutable();
+ if (executable == null) {
+ // no explicitly specified executable
+ // rely on RMIC being on the path
+ executable = JavaEnvUtils.getJdkExecutable(getExecutableName());
+ }
+ cmd.setExecutable(executable);
+
+ //set up the args
+ String[] args = cmd.getCommandline();
+
+ try {
+ Execute exe = new Execute(new LogStreamHandler(owner,
+ Project.MSG_INFO,
+ Project.MSG_WARN));
+ exe.setAntRun(project);
+ exe.setWorkingDirectory(project.getBaseDir());
+ exe.setCommandline(args);
+ exe.execute();
+ return !exe.isFailure();
+ } catch (IOException exception) {
+ throw new BuildException("Error running " + getExecutableName()
+ + " -maybe it is not on the path", exception);
+ }
+ }
+
+ /**
+ * Override point.
+ * @return the executable name.
+ */
+ protected String getExecutableName() {
+ return SunRmic.RMIC_EXECUTABLE;
+ }
+}