org.apache.xmlgraphics.ps.dsc.events.DSCCommentBeginDocument Maven / Gradle / Ivy
/*
* 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.
*/
/* $Id: DSCCommentBeginDocument.java 1681108 2015-05-22 13:26:12Z ssteiner $ */
package org.apache.xmlgraphics.ps.dsc.events;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import org.apache.xmlgraphics.ps.DSCConstants;
import org.apache.xmlgraphics.ps.PSGenerator;
import org.apache.xmlgraphics.ps.PSResource;
/**
* Represents a %BeginDocument DSC comment.
*/
public class DSCCommentBeginDocument extends AbstractDSCComment {
private PSResource resource;
private Float version;
private String type;
/**
* Creates a new instance
*/
public DSCCommentBeginDocument() {
super();
}
/**
* Creates a new instance for a given PSResource instance
* @param resource the resource
*/
public DSCCommentBeginDocument(PSResource resource) {
this.resource = resource;
if (resource != null && !PSResource.TYPE_FILE.equals(resource.getType())) {
throw new IllegalArgumentException("Resource must be of type 'file'");
}
}
/**
* Creates a new instance for a given PSResource instance
* @param resource the resource
* @param version the version of the resource (or null)
* @param type the type of resource (or null)
*/
public DSCCommentBeginDocument(PSResource resource, Float version, String type) {
this(resource);
this.version = version;
this.type = type;
}
/**
* Returns the resource version.
* @return the resource version (or null if not applicable)
*/
public Float getVersion() {
return this.version;
}
/**
* Returns the resource type
* @return the resource type (or null if not applicable)
*/
public String getType() {
return this.type;
}
/** {@inheritDoc} */
public String getName() {
return DSCConstants.BEGIN_DOCUMENT;
}
/**
* Returns the associated PSResource.
* @return the resource
*/
public PSResource getResource() {
return this.resource;
}
/** {@inheritDoc} */
public boolean hasValues() {
return true;
}
/** {@inheritDoc} */
public void parseValue(String value) {
List params = splitParams(value);
Iterator iter = params.iterator();
String name = (String)iter.next();
this.resource = new PSResource(PSResource.TYPE_FILE, name);
if (iter.hasNext()) {
this.version = Float.valueOf(iter.next().toString());
this.type = null;
if (iter.hasNext()) {
this.type = (String)iter.next();
}
}
}
/** {@inheritDoc} */
public void generate(PSGenerator gen) throws IOException {
List params = new java.util.ArrayList();
params.add(getResource().getName());
if (getVersion() != null) {
params.add(getVersion());
if (getType() != null) {
params.add(getType());
}
}
gen.writeDSCComment(getName(), params.toArray());
}
}