pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / test-framework / java / org / apache / lucene / index / MockIndexInput.java

diff --git a/lucene-java-3.5.0/lucene/src/test-framework/java/org/apache/lucene/index/MockIndexInput.java b/lucene-java-3.5.0/lucene/src/test-framework/java/org/apache/lucene/index/MockIndexInput.java
new file mode 100644 (file)
index 0000000..f1006f6
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/src/test-framework/java/org/apache/lucene/index/MockIndexInput.java
@@ -0,0 +1,65 @@
+package org.apache.lucene.index;
+
+/**
+ * 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.
+ */
+
+import org.apache.lucene.store.BufferedIndexInput;
+
+public class MockIndexInput extends BufferedIndexInput {
+    private byte[] buffer;
+    private int pointer = 0;
+    private long length;
+
+    public MockIndexInput(byte[] bytes) {
+        super("MockIndexInput", BufferedIndexInput.BUFFER_SIZE);
+        buffer = bytes;
+        length = bytes.length;
+    }
+
+    @Override
+    protected void readInternal(byte[] dest, int destOffset, int len) {
+        int remainder = len;
+        int start = pointer;
+        while (remainder != 0) {
+//          int bufferNumber = start / buffer.length;
+          int bufferOffset = start % buffer.length;
+          int bytesInBuffer = buffer.length - bufferOffset;
+          int bytesToCopy = bytesInBuffer >= remainder ? remainder : bytesInBuffer;
+          System.arraycopy(buffer, bufferOffset, dest, destOffset, bytesToCopy);
+          destOffset += bytesToCopy;
+          start += bytesToCopy;
+          remainder -= bytesToCopy;
+        }
+        pointer += len;
+    }
+
+    @Override
+    public void close() {
+        // ignore
+    }
+
+    @Override
+    protected void seekInternal(long pos) {
+        pointer = (int) pos;
+    }
+
+    @Override
+    public long length() {
+      return length;
+    }
+
+}