/*
* 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.
*/
package org.apache.isis.core.webapp.config;
import java.io.IOException;
import java.io.InputStream;
import javax.servlet.ServletContext;
import org.apache.isis.core.commons.lang.StringExtensions;
import org.apache.isis.core.commons.resource.ResourceStreamSourceAbstract;
public class ResourceStreamSourceForWebInf extends ResourceStreamSourceAbstract {
public static final String DEFAULT_WEBINF_DIRECTORY = "/WEB-INF";
private final ServletContext servletContext;
private final String configurationDirectory;
public ResourceStreamSourceForWebInf(final ServletContext servletContext) {
this(servletContext, DEFAULT_WEBINF_DIRECTORY);
}
public ResourceStreamSourceForWebInf(final ServletContext servletContext, final String configurationDirectory) {
this.servletContext = servletContext;
this.configurationDirectory = configurationDirectory;
}
@Override
public String getName() {
return "servlet context ('" + configurationDirectory + "')";
}
@Override
public InputStream doReadResource(final String resourcePath) throws IOException {
final String fullyQualifiedResourcePath = StringExtensions.combinePath(configurationDirectory, resourcePath);
return servletContext.getResourceAsStream(fullyQualifiedResourcePath);
}
}