| /** |
| * 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.cxf.catalog; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.xml.sax.InputSource; |
| |
| import org.apache.cxf.Bus; |
| import org.apache.cxf.helpers.IOUtils; |
| import org.apache.cxf.resource.ExtendedURIResolver; |
| import org.apache.cxf.transport.TransportURIResolver; |
| import org.apache.ws.commons.schema.XmlSchemaException; |
| import org.apache.ws.commons.schema.resolver.URIResolver; |
| |
| /** |
| * Resolves URIs using Apache Commons Resolver API. |
| */ |
| public class CatalogXmlSchemaURIResolver implements URIResolver { |
| |
| private ExtendedURIResolver resolver; |
| private Bus bus; |
| private Map<String, String> resolved = new HashMap<>(); |
| |
| public CatalogXmlSchemaURIResolver(Bus bus) { |
| this.resolver = new TransportURIResolver(bus); |
| this.bus = bus; |
| } |
| |
| public Map<String, String> getResolvedMap() { |
| return resolved; |
| } |
| |
| public InputSource resolveEntity(String targetNamespace, String schemaLocation, String baseUri) { |
| final String resolvedSchemaLocation; |
| OASISCatalogManager catalogResolver = OASISCatalogManager.getCatalogManager(bus); |
| try { |
| resolvedSchemaLocation = new OASISCatalogManagerHelper().resolve(catalogResolver, |
| schemaLocation, baseUri); |
| } catch (Exception e) { |
| throw new RuntimeException("Catalog resolution failed", e); |
| } |
| |
| final InputSource in; |
| if (resolvedSchemaLocation == null) { |
| in = this.resolver.resolve(schemaLocation, baseUri); |
| } else { |
| resolved.put(schemaLocation, resolvedSchemaLocation); |
| in = this.resolver.resolve(resolvedSchemaLocation, baseUri); |
| } |
| |
| // If we return null, a NPE is raised in SchemaBuilder. |
| // If we return new InputSource(), a XmlSchemaException is raised |
| // but without any nice error message. So let's just throw a nice error here. |
| if (in == null) { |
| throw new XmlSchemaException("Unable to locate imported document " |
| + "at '" + schemaLocation + "'" |
| + (baseUri == null |
| ? "." |
| : ", relative to '" + baseUri + "'.")); |
| } else if (in.getByteStream() != null |
| && !(in.getByteStream() instanceof ByteArrayInputStream)) { |
| //workaround bug in XmlSchema - XmlSchema is not closing the InputStreams |
| //that are returned for imports. Thus, with a lot of services starting up |
| //or a lot of schemas imported or similar, it's easy to run out of |
| //file handles. We'll just load the file into a byte[] and return that. |
| try { |
| InputStream ins = IOUtils.loadIntoBAIS(in.getByteStream()); |
| in.setByteStream(ins); |
| } catch (IOException e) { |
| throw new XmlSchemaException("Unable to load imported document " |
| + "at '" + schemaLocation + "'" |
| + (baseUri == null |
| ? "." |
| : ", relative to '" + baseUri + "'."), |
| e); |
| } |
| } |
| |
| return in; |
| } |
| } |