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- /*
- * 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.afp.util;
-
- import java.io.IOException;
- import java.io.InputStream;
- import java.net.URI;
- import java.net.URISyntaxException;
-
- import org.apache.fop.apps.FOUserAgent;
- import org.apache.fop.apps.FopFactory;
- import org.apache.fop.apps.io.URIResolverWrapper;
-
- /**
- * Default implementation of the {@link ResourceAccessor} interface for use inside FOP.
- */
- public class DefaultFOPResourceAccessor extends SimpleResourceAccessor {
-
- private final URIResolverWrapper resolver;
- private final String baseURI;
-
- /**
- * Constructor for resource to be accessed via the {@link FOUserAgent}. This contructor
- * can take two base URIs: the category base URI is the one to use when differentiating between
- * normal resources (ex. images) and font resources. So, if fonts need to be accessed, you can
- * set the {@link FontManager}'s base URI instead of the one on the {@link FopFactory}.
- * @param userAgent the FO user agent
- * @param categoryBaseURI the category base URI (may be null)
- * @param baseURI the custom base URI to resolve relative URIs against (may be null)
- */
- public DefaultFOPResourceAccessor(URIResolverWrapper resolver, String baseURI) {
- super(resolver.getBaseURI());
- this.resolver = resolver;
- this.baseURI = baseURI;
- }
-
- public DefaultFOPResourceAccessor(URIResolverWrapper resolver) {
- super(resolver.getBaseURI());
- this.resolver = resolver;
- this.baseURI = null;
- }
-
- private URI getResourceURI(URI uri) {
- if (baseURI == null) {
- return uri;
- }
- try {
- URI baseURI = URIResolverWrapper.getBaseURI(this.baseURI);
- return baseURI.resolve(uri);
- } catch (URISyntaxException use) {
- return uri;
- }
- }
-
- /** {@inheritDoc} */
- public InputStream createInputStream(URI uri) throws IOException {
- return resolver.resolveIn(getResourceURI(uri));
- }
- }
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