/*
* 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: AFPForeignAttributeReader.java 985571 2010-08-14 19:28:26Z jeremias $ */
package org.apache.fop.render.afp;
import java.io.File;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.xmlgraphics.util.QName;
import org.apache.fop.afp.AFPResourceInfo;
import org.apache.fop.afp.AFPResourceLevel;
import org.apache.fop.render.afp.extensions.AFPElementMapping;
/**
* Parses any AFP foreign attributes
*/
public class AFPForeignAttributeReader {
private static final Log LOG = LogFactory.getLog("org.apache.xmlgraphics.afp");
/** the resource-name attribute */
public static final QName RESOURCE_NAME = new QName(
AFPElementMapping.NAMESPACE, "afp:resource-name");
/** the resource-level attribute */
public static final QName RESOURCE_LEVEL = new QName(
AFPElementMapping.NAMESPACE, "afp:resource-level");
/** the resource-group-file attribute */
public static final QName RESOURCE_GROUP_FILE = new QName(
AFPElementMapping.NAMESPACE, "afp:resource-group-file");
/**
* Main constructor
*/
public AFPForeignAttributeReader() {
}
/**
* Returns the resource information
*
* @param foreignAttributes the foreign attributes
* @return the resource information
*/
public AFPResourceInfo getResourceInfo(Map/*<QName, String>*/ foreignAttributes) {
AFPResourceInfo resourceInfo = new AFPResourceInfo();
if (foreignAttributes != null && !foreignAttributes.isEmpty()) {
String resourceName = (String)foreignAttributes.get(RESOURCE_NAME);
if (resourceName != null) {
resourceInfo.setName(resourceName);
}
AFPResourceLevel level = getResourceLevel(foreignAttributes);
if (level != null) {
resourceInfo.setLevel(level);
}
}
return resourceInfo;
}
/**
* Returns the resource level
*
* @param foreignAttributes the foreign attributes
* @return the resource level
*/
public AFPResourceLevel getResourceLevel(Map/*<QName, String>*/ foreignAttributes) {
AFPResourceLevel resourceLevel = null;
if (foreignAttributes != null && !foreignAttributes.isEmpty()) {
if (foreignAttributes.containsKey(RESOURCE_LEVEL)) {
String levelString = (String)foreignAttributes.get(RESOURCE_LEVEL);
resourceLevel = AFPResourceLevel.valueOf(levelString);
// if external get resource group file attributes
if (resourceLevel != null && resourceLevel.isExternal()) {
String resourceGroupFile
= (String)foreignAttributes.get(RESOURCE_GROUP_FILE);
if (resourceGroupFile == null) {
String msg = RESOURCE_GROUP_FILE + " not specified";
LOG.error(msg);
throw new UnsupportedOperationException(msg);
}
File resourceExternalGroupFile = new File(resourceGroupFile);
SecurityManager security = System.getSecurityManager();
try {
if (security != null) {
security.checkWrite(resourceExternalGroupFile.getPath());
}
} catch (SecurityException ex) {
String msg = "unable to gain write access to external resource file: "
+ resourceGroupFile;
LOG.error(msg);
}
try {
boolean exists = resourceExternalGroupFile.exists();
if (exists) {
LOG.warn("overwriting external resource file: "
+ resourceGroupFile);
}
resourceLevel.setExternalFilePath(resourceGroupFile);
} catch (SecurityException ex) {
String msg = "unable to gain read access to external resource file: "
+ resourceGroupFile;
LOG.error(msg);
}
}
}
}
return resourceLevel;
}
}