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55 lines
1.4 KiB
55 lines
1.4 KiB
/*
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* Copyright 2000-2014 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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.jetbrains.java.decompiler.util;
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import java.io.ByteArrayInputStream;
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import java.io.DataInputStream;
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import java.io.IOException;
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public class DataInputFullStream extends DataInputStream {
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public DataInputFullStream(byte[] bytes) {
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super(new ByteArrayInputStream(bytes));
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}
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public int readFull(byte[] b) throws IOException {
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int length = b.length;
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byte[] temp = new byte[length];
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int pos = 0;
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int bytes_read;
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while (true) {
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bytes_read = read(temp, 0, length - pos);
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if (bytes_read == -1) {
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return -1;
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}
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System.arraycopy(temp, 0, b, pos, bytes_read);
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pos += bytes_read;
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if (pos == length) {
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break;
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}
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}
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return length;
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}
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public void discard(int n) throws IOException {
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if (super.skip(n) != n) {
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throw new IOException("Skip failed");
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}
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}
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}
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