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Diffstat (limited to 'xmerge/source/xmerge/java/org/openoffice/xmerge/converter/palm/Record.java')
-rw-r--r-- | xmerge/source/xmerge/java/org/openoffice/xmerge/converter/palm/Record.java | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/xmerge/source/xmerge/java/org/openoffice/xmerge/converter/palm/Record.java b/xmerge/source/xmerge/java/org/openoffice/xmerge/converter/palm/Record.java new file mode 100644 index 000000000..12d7a0256 --- /dev/null +++ b/xmerge/source/xmerge/java/org/openoffice/xmerge/converter/palm/Record.java @@ -0,0 +1,176 @@ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +package org.openoffice.xmerge.converter.palm; + +import java.io.OutputStream; +import java.io.InputStream; +import java.io.DataOutputStream; +import java.io.DataInputStream; +import java.io.IOException; + +/** + * Contains the raw bytes for a {@code Record} in a PDB. + * + * <p>Note that it is not associated with a {@code Record} number or ID.</p> + * + * @see PalmDocument + * @see PalmDB + */ +public final class Record { + + /** {@code Record} {@code byte} array. */ + private byte[] data; + + /** {@code Record} attributes. */ + private byte attributes = 0; + + /** + * Default constructor. + */ + public Record() { + data = new byte[0]; + } + + /** + * Constructor to create a {@code Record} filled with bytes. + * + * <p>Note that this does not check for 64k {@code Record} sizes. User of + * this class must check for that.</p> + * + * @param d {@code byte} array contents for this object. + */ + public Record(byte[] d) { + this(d, (byte) 0); + } + + /** + * Constructor to create a {@code Record} filled with bytes and assign + * {@code Record} attributes. + * + * <p>Note that this does not check for 64k {@code Record} sizes. User of + * this class must check for that.</p> + * + * @param d {@code byte} array contents for this object. + * @param attrs {@code Record} attributes. + */ + public Record(byte[] d, byte attrs) { + data = new byte[d.length]; + attributes = attrs; + System.arraycopy(d, 0, data, 0, d.length); + } + + /** + * This method returns the number of bytes in this object. + * + * @return Number of bytes in this object. + */ + public int getSize() { + return data.length; + } + + /** + * This method returns the contents of this {@code Object}. + * + * @return Contents in {@code byte} array + */ + public byte[] getBytes() { + return data; + } + + /** + * <p>This method returns the {@code Record} attributes.</p> + * + * <blockquote><pre>{@code Record} attributes consists of (from high to low bit) + * + * delete (1) - dirty (1) - busy (1) - secret (1) - category (4)</pre></blockquote> + * + * @return {@code Record} attribute. + */ + public byte getAttributes() { + return attributes; + } + + /** + * Write out the {@code Record} attributes and {@code Record} length + * followed by the data in this {@code Record} object. + * + * @param outs The {@code OutputStream} to write the object. + * + * @throws IOException If any I/O error occurs. + */ + public void write(OutputStream outs) throws IOException { + DataOutputStream out = new DataOutputStream(outs); + out.writeByte(attributes); + out.writeShort(data.length); + out.write(data); + } + + /** + * Read the necessary data to create a PDB from the {@code InputStream}. + * + * @param ins The {@code InputStream} to read data from in order to + * restore the {@code object}. + * + * @throws IOException If any I/O error occurs. + */ + public void read(InputStream ins) throws IOException { + DataInputStream in = new DataInputStream(ins); + attributes = in.readByte(); + int len = in.readUnsignedShort(); + data = new byte[len]; + in.readFully(data); + } + + /** + * Override equals method of {@code Object}. + * + * <p>Two {@code Record} objects are equal if they contain the same bytes + * in the array and the same attributes.</p> + * + * <p>This is used primarily for testing purposes only for now.</p> + * + * @param obj A {@code Record} object to compare with + * + * @return {@code true} if {@code obj} is equal, otherwise {@code false}. + */ + @Override + public boolean equals(Object obj) { + if (!(obj instanceof Record)) { + return false; + } + Record rec = (Record) obj; + if (rec.getAttributes() != attributes) { + return false; + } + if (rec.getSize() == data.length) { + for (int i = 0; i < data.length; i++) { + if (data[i] != rec.data[i]) { + return false; + } + } + } + return false; + } + + @Override + public int hashCode() { + return 0; + } + +} |