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/*
* $Id$
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
/*
* This file is part of the RTF library of the FOP project, which was originally
* created by Bertrand Delacretaz <bdelacretaz@codeconsult.ch> and by other
* contributors to the jfor project (www.jfor.org), who agreed to donate jfor to
* the FOP project.
*/
package org.apache.fop.rtf.rtflib.rtfdoc;
import java.io.Writer;
import java.io.IOException;
/**
* Creates an hyperlink.
* This class belongs to the <fo:basic-link> tag processing.
* @author <a href="mailto:a.putz@skynamics.com">Andreas Putz</a>
*
* {\field {\*\fldinst HYPERLINK "http://www.test.de" }{\fldrslt Joe Smith}}
*/
public class RtfHyperLink extends RtfContainer implements IRtfTextContainer {
//////////////////////////////////////////////////
// @@ Members
//////////////////////////////////////////////////
/** The url of the image */
protected String url = null;
/** RtfText */
protected RtfText mText = null;
//////////////////////////////////////////////////
// @@ Construction
//////////////////////////////////////////////////
/**
* Default constructor.
*
* @param parent a <code>RtfContainer</code> value
* @param writer a <code>Writer</code> value
* @param str text of the link
* @param attr a <code>RtfAttributes</code> value
* @throws IOException for I/O problems
*/
public RtfHyperLink (IRtfTextContainer parent, Writer writer, String str, RtfAttributes attr)
throws IOException {
super ((RtfContainer) parent, writer, attr);
new RtfText (this, writer, str, attr);
}
//////////////////////////////////////////////////
// @@ RtfElement implementation
//////////////////////////////////////////////////
/**
* Writes the RTF content to m_writer.
*
* @exception IOException On error
*/
public void writeRtfPrefix () throws IOException {
super.writeGroupMark (true);
super.writeControlWord ("field");
super.writeGroupMark (true);
super.writeStarControlWord ("fldinst");
writer.write ("HYPERLINK \"" + url + "\" ");
super.writeGroupMark (false);
super.writeGroupMark (true);
super.writeControlWord ("fldrslt");
// start a group for this paragraph and write our own attributes if needed
if (attrib != null && attrib.isSet ("cs")) {
writeGroupMark (true);
writeAttributes(attrib, new String [] {"cs"});
}
}
/**
* Writes the RTF content to m_writer.
*
* @exception IOException On error
*/
public void writeRtfSuffix () throws IOException {
if (attrib != null && attrib.isSet ("cs")) {
writeGroupMark (false);
}
super.writeGroupMark (false);
super.writeGroupMark (false);
}
//////////////////////////////////////////////////
// @@ IRtfContainer implementation
//////////////////////////////////////////////////
/**
* close current text run if any and start a new one with default attributes
* @param str if not null, added to the RtfText created
* @throws IOException for I/O problems
* @return new RtfText object
*/
public RtfText newText (String str) throws IOException {
return newText (str, null);
}
/**
* close current text run if any and start a new one
* @param str if not null, added to the RtfText created
* @param attr attributes of text to add
* @throws IOException for I/O problems
* @return the new RtfText object
*/
public RtfText newText (String str, RtfAttributes attr) throws IOException {
closeAll ();
mText = new RtfText (this, writer, str, attr);
return mText;
}
/**
* IRtfTextContainer requirement:
* @return a copy of our attributes
*/
public RtfAttributes getTextContainerAttributes() {
if (attrib == null) {
return null;
}
return (RtfAttributes) this.attrib.clone ();
}
/**
* add a line break
* @throws IOException for I/O problems
*/
public void newLineBreak () throws IOException {
new RtfLineBreak (this, writer);
}
//////////////////////////////////////////////////
// @@ Common container methods
//////////////////////////////////////////////////
private void closeCurrentText () throws IOException {
if (mText != null) {
mText.close ();
}
}
private void closeAll () throws IOException {
closeCurrentText();
}
//////////////////////////////////////////////////
// @@ Member access
//////////////////////////////////////////////////
/**
* Sets the url of the external link.
*
* @param url Link url like "http://..."
*/
public void setExternalURL (String url) {
this.url = url;
}
/**
* Sets the url of the external link.
*
* @param jumpTo Name of the text mark
*/
public void setInternalURL (String jumpTo) {
int now = jumpTo.length ();
int max = RtfBookmark.MAX_BOOKMARK_LENGTH;
this.url = "#" + jumpTo.substring (0, now > max ? max : now);
this.url = this.url.replace ('.', RtfBookmark.REPLACE_CHARACTER);
this.url = this.url.replace (' ', RtfBookmark.REPLACE_CHARACTER);
}
/**
*
* @return false (always)
*/
public boolean isEmpty () {
return false;
}
}
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