/*******************************************************************************
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.ofbiz.content.openoffice;

import java.io.ByteArrayInputStream;
import java.io.IOException;

import com.sun.star.io.XSeekable;
import com.sun.star.io.XInputStream;
import com.sun.star.io.BufferSizeExceededException;
import com.sun.star.io.NotConnectedException;

/**
 * OpenOfficeByteArrayInputStream Class
 */

public class OpenOfficeByteArrayInputStream extends ByteArrayInputStream implements XInputStream, XSeekable {

    public static final String module = OpenOfficeByteArrayInputStream.class.getName();

    public OpenOfficeByteArrayInputStream(byte [] bytes) {
        super(bytes);
    }


    public long getPosition() throws com.sun.star.io.IOException {
        return this.pos;
    }

    public long getLength() throws com.sun.star.io.IOException {
        return this.count;
    }

    public void seek(long pos1) throws com.sun.star.io.IOException, IllegalArgumentException {
        this.pos = (int)pos1;
    }

    public void skipBytes(int pos1) throws BufferSizeExceededException,
                                             NotConnectedException, com.sun.star.io.IOException {
        skip(pos1);
    }

    public void closeInput() throws NotConnectedException, com.sun.star.io.IOException {

        try {
            close();
        } catch (IOException e) {
            String errMsg = e.getMessage();
            throw new com.sun.star.io.IOException(errMsg, this);
        }

    }

    public int readBytes(byte [][]buf, int pos2) throws BufferSizeExceededException, NotConnectedException, com.sun.star.io.IOException {

        int bytesRead = 0;
        byte [] buf2 = new byte[pos2];
        try {
            bytesRead = super.read(buf2);
        } catch (IOException e) {
            String errMsg = e.getMessage();
            throw new com.sun.star.io.IOException(errMsg, this);
        }

        if (bytesRead > 0) {
            if (bytesRead < pos2) {
                byte [] buf3 = new byte[bytesRead];
                System.arraycopy(buf2, 0, buf3, 0, bytesRead);
                buf[0] = buf3;
            } else {
                buf[0] = buf2;
            }
        } else {
            buf[0] = new byte[0];
        }
        return bytesRead;
    }

    public int readSomeBytes(byte [][]buf, int pos2) throws BufferSizeExceededException, NotConnectedException, com.sun.star.io.IOException {
        return readBytes(buf, pos2);
    }
}