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- /* ====================================================================
- 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;
-
- public final class LittleEndianOutputStream extends FilterOutputStream implements LittleEndianOutput {
- public LittleEndianOutputStream(OutputStream out) {
- super(out);
- }
-
- @Override
- public void writeByte(int v) {
- try {
- out.write(v);
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
-
- @Override
- public void writeDouble(double v) {
- writeLong(Double.doubleToLongBits(v));
- }
-
- @Override
- public void writeInt(int v) {
- int b3 = (v >>> 24) & 0xFF;
- int b2 = (v >>> 16) & 0xFF;
- int b1 = (v >>> 8) & 0xFF;
- int b0 = (v) & 0xFF;
- try {
- out.write(b0);
- out.write(b1);
- out.write(b2);
- out.write(b3);
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
-
- @Override
- public void writeLong(long v) {
- writeInt((int)(v/* >> 0*/));
- writeInt((int)(v >> 32));
- }
-
- @Override
- public void writeShort(int v) {
- int b1 = (v >>> 8) & 0xFF;
- int b0 = (v) & 0xFF;
- try {
- out.write(b0);
- out.write(b1);
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
- @Override
- public void write(byte[] b) {
- // suppress IOException for interface method
- try {
- super.write(b);
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
- @Override
- public void write(byte[] b, int off, int len) {
- // suppress IOException for interface method
- try {
- super.write(b, off, len);
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
-
-
- /**
- * Put unsigned int into output stream
- *
- * @param value
- * the int (32-bit) value
- */
- public void writeUInt( long value ) {
- try {
- out.write( (byte) ( ( value ) & 0xFF ) );
- out.write( (byte) ( ( value >>> 8 ) & 0xFF ) );
- out.write( (byte) ( ( value >>> 16 ) & 0xFF ) );
- out.write( (byte) ( ( value >>> 24 ) & 0xFF ) );
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
-
- /**
- * Put unsigned short into output stream
- *
- * @param value
- * the unsigned short (16-bit) value
- */
- public void putUShort( int value ) {
- try {
- out.write( (byte) ( ( value ) & 0xFF ) );
- out.write( (byte) ( ( value >>> 8 ) & 0xFF ) );
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
- }
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