1 files changed, 92 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/compilers/JavacExternal.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/compilers/JavacExternal.java
new file mode 100644
index 00000000..ab284544
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/compilers/JavacExternal.java
@@ -0,0 +1,92 @@
+/*
+ *  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.File;
+import java.io.IOException;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.taskdefs.condition.Os;
+import org.apache.tools.ant.types.Commandline;
+import org.apache.tools.ant.util.FileUtils;
+import org.apache.tools.ant.util.JavaEnvUtils;
+
+/**
+ * Performs a compile using javac externally.
+ *
+ * @since Ant 1.4
+ */
+public class JavacExternal extends DefaultCompilerAdapter {
+
+    /**
+     * Performs a compile using the Javac externally.
+     * @return true if the compilation succeeded
+     * @throws BuildException on error
+     */
+    public boolean execute() throws BuildException {
+        attributes.log("Using external javac compiler", Project.MSG_VERBOSE);
+
+        Commandline cmd = new Commandline();
+        cmd.setExecutable(getJavac().getJavacExecutable());
+        if (!assumeJava11() && !assumeJava12()) {
+            setupModernJavacCommandlineSwitches(cmd);
+        } else {
+            setupJavacCommandlineSwitches(cmd, true);
+        }
+        int firstFileName = assumeJava11() ? -1 : cmd.size();
+        logAndAddFilesToCompile(cmd);
+        //On VMS platform, we need to create a special java options file
+        //containing the arguments and classpath for the javac command.
+        //The special file is supported by the "-V" switch on the VMS JVM.
+        if (Os.isFamily("openvms")) {
+            return execOnVMS(cmd, firstFileName);
+        }
+        return
+                executeExternalCompile(cmd.getCommandline(), firstFileName,
+                        true)
+                == 0;
+    }
+
+    /**
+     * helper method to execute our command on VMS.
+     * @param cmd
+     * @param firstFileName
+     * @return
+     */
+    private boolean execOnVMS(Commandline cmd, int firstFileName) {
+        File vmsFile = null;
+        try {
+            vmsFile = JavaEnvUtils.createVmsJavaOptionFile(cmd.getArguments());
+            String[] commandLine = {cmd.getExecutable(),
+                                    "-V",
+                                    vmsFile.getPath()};
+            return 0 == executeExternalCompile(commandLine,
+                            firstFileName,
+                            true);
+
+        } catch (IOException e) {
+            throw new BuildException("Failed to create a temporary file for \"-V\" switch");
+        } finally {
+            FileUtils.delete(vmsFile);
+        }
+    }
+
+}
+