diff options
Diffstat (limited to 'plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/util/DataInputFullStream.java')
-rw-r--r-- | plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/util/DataInputFullStream.java | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/util/DataInputFullStream.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/util/DataInputFullStream.java new file mode 100644 index 000000000000..011eddea5c92 --- /dev/null +++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/util/DataInputFullStream.java @@ -0,0 +1,55 @@ +/* + * 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"); + } + } +} |