70 lines
1.5 KiB
Java
70 lines
1.5 KiB
Java
/*
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* Copyright 2010 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package java.io;
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public class ByteArrayInputStream extends InputStream {
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protected byte[] buf;
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protected int pos = 0;
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protected int start = 0;
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protected int mark = 0;
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protected int count;
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public ByteArrayInputStream(byte[] data) {
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this.buf = data;
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this.count = data.length;
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}
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public ByteArrayInputStream(byte[] data, int offset, int len) {
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this.buf = data;
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count = offset + len;
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this.mark = this.start = this.pos = offset;
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}
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@Override
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public int read() {
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return pos < count ? (buf[pos++] & 0xFF) : -1;
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}
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@Override
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public int available() {
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return count - pos;
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}
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@Override
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public long skip(long n) throws IOException, IllegalArgumentException {
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// TODO Auto-generated method stub
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pos += n;
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return pos;
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}
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@Override
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public void reset() throws IOException {
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pos = mark;
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}
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@Override
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public void mark(int readAheadLimit) {
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mark = pos;
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}
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@Override
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public boolean markSupported() {
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return true;
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}
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}
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