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-rw-r--r--src/java/org/apache/poi/util/LittleEndianOutputStream.java83
1 files changed, 83 insertions, 0 deletions
diff --git a/src/java/org/apache/poi/util/LittleEndianOutputStream.java b/src/java/org/apache/poi/util/LittleEndianOutputStream.java
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+++ b/src/java/org/apache/poi/util/LittleEndianOutputStream.java
@@ -0,0 +1,83 @@
+/* ====================================================================
+ 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.poi.util;
+
+import java.io.FilterOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ *
+ * @author Josh Micich
+ */
+public final class LittleEndianOutputStream extends FilterOutputStream implements LittleEndianOutput {
+ public LittleEndianOutputStream(OutputStream out) {
+ super(out);
+ }
+
+ public void writeByte(int v) {
+ try {
+ out.write(v);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public void writeDouble(double v) {
+ writeLong(Double.doubleToLongBits(v));
+ }
+
+ public void writeInt(int v) {
+ int b3 = (v >>> 24) & 0xFF;
+ int b2 = (v >>> 16) & 0xFF;
+ int b1 = (v >>> 8) & 0xFF;
+ int b0 = (v >>> 0) & 0xFF;
+ try {
+ out.write(b0);
+ out.write(b1);
+ out.write(b2);
+ out.write(b3);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public void writeLong(long v) {
+ writeInt((int)(v >> 0));
+ writeInt((int)(v >> 32));
+ }
+
+ public void writeShort(int v) {
+ int b1 = (v >>> 8) & 0xFF;
+ int b0 = (v >>> 0) & 0xFF;
+ try {
+ out.write(b0);
+ out.write(b1);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ public void write(byte[] b) {
+ // suppress IOException for interface method
+ try {
+ super.write(b);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+}