1 files changed, 142 insertions, 0 deletions
diff --git a/src/traffic-incidents-service/org.genivi.trafficinfo.libmatthew/src/main/java/cx/ath/matthew/io/ExecInputStream.java b/src/traffic-incidents-service/org.genivi.trafficinfo.libmatthew/src/main/java/cx/ath/matthew/io/ExecInputStream.java
new file mode 100755
index 0000000..517cded
--- /dev/null
+++ b/src/traffic-incidents-service/org.genivi.trafficinfo.libmatthew/src/main/java/cx/ath/matthew/io/ExecInputStream.java
@@ -0,0 +1,142 @@
+/*
+ * Java Exec Pipe Library
+ *
+ * Copyright (c) Matthew Johnson 2005
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * 
+ * To Contact the author, please email src@matthew.ath.cx
+ *
+ */
+
+package cx.ath.matthew.io;
+
+import java.io.FilterInputStream;
+import java.io.InputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * Class to pipe an InputStream through a command using stdin/stdout.
+ * E.g.
+ * <pre>
+ *    Reader r = new InputStreamReader(new ExecInputStream(new FileInputStream("file"), "command"));
+ * </pre>
+ */
+public class ExecInputStream extends FilterInputStream
+{
+   private Process proc;
+   private InputStream stdout;
+   private OutputStream stdin;
+   private InOutCopier copy;
+
+   /**
+    * Create a new ExecInputStream on the given InputStream
+    * using the process to filter the stream.
+    * @param is Reads from this InputStream
+    * @param p Filters data through stdin/out on this Process
+    */
+   public ExecInputStream(InputStream is, Process p) throws IOException
+   {
+      super(is);
+      proc = p;
+      stdin = p.getOutputStream();
+      stdout = p.getInputStream();
+      copy = new InOutCopier(in, stdin);
+      copy.start();
+   }
+   /**
+    * Create a new ExecInputStream on the given InputStream
+    * using the process to filter the stream.
+    * @param is Reads from this InputStream
+    * @param cmd Creates a Process from this string to filter data through stdin/out 
+    */
+   public ExecInputStream(InputStream is, String cmd) throws IOException
+   { this(is, Runtime.getRuntime().exec(cmd)); }
+   /**
+    * Create a new ExecInputStream on the given InputStream
+    * using the process to filter the stream.
+    * @param is Reads from this InputStream
+    * @param cmd Creates a Process from this string array (command, arg, ...) to filter data through stdin/out 
+    */
+   public ExecInputStream(InputStream is, String[] cmd) throws IOException
+   { this(is, Runtime.getRuntime().exec(cmd)); }
+   /**
+    * Create a new ExecInputStream on the given InputStream
+    * using the process to filter the stream.
+    * @param is Reads from this InputStream
+    * @param cmd Creates a Process from this string to filter data through stdin/out 
+    * @param env Setup the environment for the command
+    */
+   public ExecInputStream(InputStream is, String cmd, String[] env) throws IOException
+   { this(is, Runtime.getRuntime().exec(cmd, env)); }
+   /**
+    * Create a new ExecInputStream on the given InputStream
+    * using the process to filter the stream.
+    * @param is Reads from this InputStream
+    * @param cmd Creates a Process from this string array (command, arg, ...) to filter data through stdin/out 
+    * @param env Setup the environment for the command
+    */
+   public ExecInputStream(InputStream is, String[] cmd, String[] env) throws IOException
+   { this(is, Runtime.getRuntime().exec(cmd, env)); }
+
+   public void close() throws IOException
+   {
+      try {
+         proc.waitFor();
+      } catch (InterruptedException Ie)  {}
+      //copy.close();
+      try {
+         copy.join();
+      } catch (InterruptedException Ie)  {}
+      stdin.close();
+      in.close();
+      stdout.close();
+   }
+   public void flush() throws IOException
+   {
+      copy.flush();
+   }
+   public int	available() throws IOException
+   { return stdout.available(); } 
+   public int	read() throws IOException
+   { return stdout.read(); }
+   public int	read(byte[] b) throws IOException
+   { return stdout.read(b); }
+   public int	read(byte[] b, int off, int len) throws IOException
+   { return stdout.read(b, off, len); }
+   public long	skip(long n) throws IOException
+   { return stdout.skip(n); }
+   public void	mark(int readlimit)
+   {}
+   public boolean	markSupported()
+   { return false; }
+   public void	reset() 
+   {}
+
+   public void finalize()
+   {
+      try {
+         close();
+      } catch (Exception e) {}
+   }
+}
+
+
+