001: /*
002: * ============================================================================
003: * GNU Lesser General Public License
004: * ============================================================================
005: *
006: * JasperReports - Free Java report-generating library.
007: * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
008: *
009: * This library is free software; you can redistribute it and/or
010: * modify it under the terms of the GNU Lesser General Public
011: * License as published by the Free Software Foundation; either
012: * version 2.1 of the License, or (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017: * Lesser General Public License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
022: *
023: * JasperSoft Corporation
024: * 303 Second Street, Suite 450 North
025: * San Francisco, CA 94107
026: * http://www.jaspersoft.com
027: */
028: package net.sf.jasperreports.engine.base;
029:
030: import java.io.IOException;
031:
032: import net.sf.jasperreports.engine.JRAbstractObjectFactory;
033: import net.sf.jasperreports.engine.JRChild;
034: import net.sf.jasperreports.engine.JRConstants;
035: import net.sf.jasperreports.engine.JRExpressionCollector;
036: import net.sf.jasperreports.engine.JRLine;
037: import net.sf.jasperreports.engine.xml.JRXmlWriter;
038:
039: /**
040: * The actual implementation of a graphic element representing a straight line.
041: * @author Teodor Danciu (teodord@users.sourceforge.net)
042: * @version $Id: JRBaseLine.java 1499 2006-11-20 16:17:31Z teodord $
043: */
044: public class JRBaseLine extends JRBaseGraphicElement implements JRLine {
045:
046: /**
047: *
048: */
049: private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
050:
051: /**
052: *
053: */
054: protected byte direction = DIRECTION_TOP_DOWN;
055:
056: /**
057: * Initializes properties that are specific to lines. Common properties are initialized by its
058: * parent constructors.
059: * @param line an element whose properties are copied to this element. Usually it is a
060: * {@link net.sf.jasperreports.engine.design.JRDesignLine} that must be transformed into an
061: * <tt>JRBaseLine</tt> at compile time.
062: * @param factory a factory used in the compile process
063: */
064: protected JRBaseLine(JRLine line, JRBaseObjectFactory factory) {
065: super (line, factory);
066:
067: direction = line.getDirection();
068: }
069:
070: /**
071: *
072: */
073: public void setWidth(int width) {
074: if (width == 0) {
075: width = 1;
076: }
077:
078: super .setWidth(width);
079: }
080:
081: /**
082: *
083: */
084: public byte getDirection() {
085: return direction;
086: }
087:
088: /**
089: *
090: */
091: public void setDirection(byte direction) {
092: this .direction = direction;
093: }
094:
095: /**
096: *
097: */
098: public JRChild getCopy(JRAbstractObjectFactory factory) {
099: return factory.getLine(this );
100: }
101:
102: /**
103: *
104: */
105: public void collectExpressions(JRExpressionCollector collector) {
106: collector.collect(this );
107: }
108:
109: /**
110: *
111: */
112: public void writeXml(JRXmlWriter xmlWriter) throws IOException {
113: xmlWriter.writeLine(this);
114: }
115:
116: }
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