1 files changed, 74 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/DemuxInputStream.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/DemuxInputStream.java
new file mode 100644
index 00000000..ea263ca7
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/DemuxInputStream.java
@@ -0,0 +1,74 @@
+/*
+ *  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;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ *
+ * Passes input requests to the project object for demuxing into
+ * individual tasks and threads.
+ *
+ * @since Ant 1.6
+ */
+public class DemuxInputStream extends InputStream {
+
+    private static final int MASK_8BIT = 0xFF;
+    /**
+     * The project to from which to get input.
+     */
+    private Project project;
+
+    /**
+     * Create a DemuxInputStream for the given project
+     *
+     * @param project the project instance
+     */
+    public DemuxInputStream(Project project) {
+        this.project = project;
+    }
+
+    /**
+     * Read a byte from the project's demuxed input.
+     * @return the next byte
+     * @throws IOException on error
+     */
+    public int read() throws IOException {
+        byte[] buffer = new byte[1];
+        if (project.demuxInput(buffer, 0, 1) == -1) {
+            return -1;
+        }
+        return buffer[0] & MASK_8BIT;
+    }
+
+
+    /**
+     * Read bytes from the project's demuxed input.
+     * @param buffer an array of bytes to read into
+     * @param offset the offset in the array of bytes
+     * @param length the number of bytes in the array
+     * @return the number of bytes read
+     * @throws IOException on error
+     */
+    public int read(byte[] buffer, int offset, int length) throws IOException {
+        return project.demuxInput(buffer, offset, length);
+    }
+
+}