99 lines
2.5 KiB
Java
99 lines
2.5 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.util;
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import java.io.FilterOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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/**
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*
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* @author Josh Micich
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*/
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public final class LittleEndianOutputStream extends FilterOutputStream implements LittleEndianOutput {
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public LittleEndianOutputStream(OutputStream out) {
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super(out);
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}
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@Override
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public void writeByte(int v) {
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try {
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out.write(v);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public void writeDouble(double v) {
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writeLong(Double.doubleToLongBits(v));
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}
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@Override
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public void writeInt(int v) {
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int b3 = (v >>> 24) & 0xFF;
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int b2 = (v >>> 16) & 0xFF;
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int b1 = (v >>> 8) & 0xFF;
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int b0 = (v >>> 0) & 0xFF;
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try {
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out.write(b0);
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out.write(b1);
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out.write(b2);
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out.write(b3);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public void writeLong(long v) {
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writeInt((int)(v >> 0));
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writeInt((int)(v >> 32));
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}
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@Override
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public void writeShort(int v) {
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int b1 = (v >>> 8) & 0xFF;
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int b0 = (v >>> 0) & 0xFF;
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try {
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out.write(b0);
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out.write(b1);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public void write(byte[] b) {
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// suppress IOException for interface method
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try {
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super.write(b);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public void write(byte[] b, int off, int len) {
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// suppress IOException for interface method
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try {
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super.write(b, off, len);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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}
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