org.jetbrains.java.decompiler.util.DataInputFullStream Maven / Gradle / Ivy
/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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
*
* 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.jetbrains.java.decompiler.util;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
public class DataInputFullStream extends DataInputStream {
public DataInputFullStream(byte[] bytes) {
super(new ByteArrayInputStream(bytes));
}
public int readFull(byte[] b) throws IOException {
int length = b.length;
byte[] temp = new byte[length];
int pos = 0;
int bytes_read;
while (true) {
bytes_read = read(temp, 0, length - pos);
if (bytes_read == -1) {
return -1;
}
System.arraycopy(temp, 0, b, pos, bytes_read);
pos += bytes_read;
if (pos == length) {
break;
}
}
return length;
}
public void discard(int n) throws IOException {
if (super.skip(n) != n) {
throw new IOException("Skip failed");
}
}
}