/*
Copyright 2005 Simon Mieth
Licensed 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.kabeja.parser.entities;
import org.kabeja.dxf.DXFConstants;
import org.kabeja.dxf.DXFEntity;
import org.kabeja.dxf.DXFRegion;
import org.kabeja.parser.DXFValue;
/**
* @author <a href="mailto:simon.mieth@gmx.de">Simon Mieth</a>
*
*/
public class DXFRegionHandler extends AbstractEntityHandler {
protected static final int DATA = 1;
protected static final int APPEND_DATA = 3;
protected DXFRegion region;
protected StringBuffer data = new StringBuffer();
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.AbstractEntityHandler#getDXFEntityName()
*/
public String getDXFEntityName() {
// TODO Auto-generated method stub
return DXFConstants.ENTITY_TYPE_REGION;
}
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#startDXFEntity()
*/
public void startDXFEntity() {
region = new DXFRegion();
}
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#parseGroup(int,
* de.miethxml.kabeja.parser.DXFValue)
*/
public void parseGroup(int groupCode, DXFValue value) {
switch (groupCode) {
case DATA:
//first cleanup
checkBuffer();
data.append(value.getValue());
break;
case APPEND_DATA:
data.append(value.getValue());
break;
}
}
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#getDXFEntity()
*/
public DXFEntity getDXFEntity() {
return region;
}
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#endDXFEntity()
*/
public void endDXFEntity() {
checkBuffer();
}
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#isFollowSequence()
*/
public boolean isFollowSequence() {
return false;
}
protected String decodeDATA(String s) {
char[] c = s.toCharArray();
StringBuffer buf = new StringBuffer();
for (int i = 0; i < c.length; i++) {
if (Character.isWhitespace(c[i])) {
buf.append(' ');
} else {
int code = Math.abs(((int) c[i]) - 159);
buf.append((char) code);
}
}
return buf.toString();
}
protected void checkBuffer() {
if (data.length() > 0) {
region.appendACISDATA(decodeDATA(data.toString()));
data.delete(0, data.length());
}
}
}