1 files changed, 65 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/ProcessUtil.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/ProcessUtil.java
new file mode 100644
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--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/ProcessUtil.java
@@ -0,0 +1,65 @@
+/*
+ *  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.util;
+
+import java.lang.management.ManagementFactory;
+
+/**
+ * Process Utilities
+ * @since Ant 1.9.4
+ */
+public class ProcessUtil {
+
+    private ProcessUtil() {
+    }
+
+    /**
+     * provide id of the current process
+     * @param fallback
+     * @return current process id
+     */
+    public static String getProcessId(final String fallback) {
+        // Note: may fail in some JVM implementations
+        // therefore fallback has to be provided
+
+        // something like '<pid>@<hostname>', at least in SUN / Oracle JVMs
+        final String jvmName = ManagementFactory.getRuntimeMXBean().getName();
+        final int index = jvmName.indexOf('@');
+
+        if (index < 1) {
+            // part before '@' empty (index = 0) / '@' not found (index = -1)
+            return fallback;
+        }
+
+        try {
+            return Long.toString(Long.parseLong(jvmName.substring(0, index)));
+        } catch (NumberFormatException e) {
+            // ignore
+        }
+        return fallback;
+    }
+
+    public static void main(String [] args) {
+        System.out.println(getProcessId("<PID>"));
+        try {
+            Thread.sleep(120000);
+        } catch (Exception exc) {
+            // ignore
+        }
+    }
+}