/* See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* Esri Inc. 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.
*/
package com.esri.gpt.framework.util;
import java.io.IOException;
import java.net.URL;
import org.xml.sax.InputSource;
/**
* Helps with the location of file resources relative to the deployed application.
* <p>
* This class has no static methods or members to ensure a proper class loader.
*/
public class ResourcePath {
// class variables =============================================================
// instance variables ==========================================================
private String _externalFolder = "";
private String _localFolder = "";
// constructors ================================================================
/** Default constructor. */
public ResourcePath() {
//_externalFolder = "file:///C:/Program%20Files/ESRI/GPT9/gpt/";
//_localFolder = "gpt/";
}
// properties ==================================================================
// methods =====================================================================
/**
* Returns an InputSource for a resource.
* @param path the path for the resource (relative to WEB-INF/classes)
* @return an InputSource for the associated resource
* @throws java.io.IOException if the URL associated with the resource path cannot be generated
*/
public InputSource makeInputSource(String path) throws IOException {
return new InputSource(makeUrl(path).toString());
}
/**
* Returns the URL associated with a resource.
* @param path the path for the resource (relative to WEB-INF/classes)
* @return the associated url
* @throws java.io.IOException if the URL cannot be generated
*/
public URL makeUrl(String path) throws IOException {
path = Val.chkStr(path);
URL url = null;
if ((_localFolder.length() > 0) && (_externalFolder.length() > 0) &&
path.startsWith(_localFolder)) {
path = _externalFolder+path.substring(_localFolder.length());
//LogUtil.getLogger().finer("Making URL for resource: "+path);
url = new URL(path);
} else {
//url = this.getClass().getClassLoader().getResource(path);
//LogUtil.getLogger().finer("Making URL for resource: "+path);
url = Thread.currentThread().getContextClassLoader().getResource(path);
}
if (url == null) {
throw new IOException("Unable to create resource URL for path: "+path);
}
return url;
}
}