Move StreamReader to util.

Change-Id: I23bd774f91c4248782e8e11831b9db6307c31842
Depends-On: I31ac07ade010d2bff38aefeac71a03e946069627
Reviewed-on: http://gerrit.dmdirc.com/1869
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>
Reviewed-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/util/StreamReader.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2006-2011 Chris Smith, Shane Mc Cormack, Gregory Holmes
+ *
+ * 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.
+ */
+
+package com.dmdirc.util;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.List;
+
+/**
+ * Simple stream reader to read a stream and save/discard the data.
+ */
+public class StreamReader extends Thread {
+
+    /** This is the Input Stream we are reading. */
+    private InputStream stream;
+
+    /** List to store output in. */
+    private List<String> list = null;
+
+    /** StringBuffer to store output in. */
+    private StringBuffer buffer = null;
+
+    /**
+     * Create a new Stream Reader that discards output.
+     *
+     * @param stream The stream to read
+     */
+    public StreamReader(final InputStream stream) {
+        super("StreamReader");
+
+        this.stream = stream;
+    }
+
+    /**
+     * Create a new Stream Reader that outputs to a List.
+     *
+     * @param stream The stream to read
+     * @param list The list to store the output from the stream in
+     */
+    public StreamReader(final InputStream stream, final List<String> list) {
+        super("StreamReader");
+
+        this.stream = stream;
+        this.list = list;
+    }
+
+    /**
+     * Create a new Stream Reader that outputs to a StringBuffer.
+     *
+     * @param stream The stream to read
+     * @param buffer The StringBuffer to store the output from the stream in
+     */
+    public StreamReader(final InputStream stream, final StringBuffer buffer) {
+        super("StreamReader");
+
+        this.stream = stream;
+        this.buffer = buffer;
+    }
+
+    /**
+     * Get the list that the output is being stored in.
+     *
+     * @return The output list
+     */
+    public List<String> getList() {
+        return list;
+    }
+
+    /**
+     * Wait for input on stream, and output/throw away/save to list
+     */
+    @Override
+    public void run() {
+        BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
+        try {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                if (list != null) {
+                    list.add(line);
+                } else if (buffer != null) {
+                    if (buffer.length() > 0) { buffer.append('\n'); }
+                    buffer.append(line);
+                }
+            }
+        } catch (IOException ex) {
+            // OH WELL
+        } finally {
+            StreamUtil.close(stream);
+        }
+    }
+}