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fernflower/src/org/jetbrains/java/decompiler/util/DataInputFullStream.java

51 lines
1.3 KiB

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/*
* Copyright 2000-2014 JetBrains s.r.o.
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*
* Licensed 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
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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
* 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.
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*/
package org.jetbrains.java.decompiler.util;
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import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
public class DataInputFullStream extends DataInputStream {
public DataInputFullStream(InputStream in) {
super(in);
}
public final int readFull(byte[] b) throws IOException {
int length = b.length;
byte[] btemp = new byte[length];
int pos = 0;
int bytes_read = -1;
while (true) {
bytes_read = read(btemp, 0, length - pos);
if (bytes_read == -1) {
return -1;
}
System.arraycopy(btemp, 0, b, pos, bytes_read);
pos += bytes_read;
if (pos == length) {
break;
}
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}
return length;
}
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}