aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.bind.v2.schemagen;
aoqi@0: 
aoqi@0: import java.io.IOException;
aoqi@0: import java.util.logging.Logger;
aoqi@0: 
aoqi@0: import javax.xml.bind.SchemaOutputResolver;
aoqi@0: import javax.xml.transform.Result;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.bind.Util;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * {@link SchemaOutputResolver} that wraps the user-specified resolver
aoqi@0:  * and makes sure that it's following the contract.
aoqi@0:  *
aoqi@0:  * <p>
aoqi@0:  * This protects the rest of the {@link XmlSchemaGenerator} from client programming
aoqi@0:  * error.
aoqi@0:  */
aoqi@0: final class FoolProofResolver extends SchemaOutputResolver {
aoqi@0:     private static final Logger logger = Util.getClassLogger();
aoqi@0:     private final SchemaOutputResolver resolver;
aoqi@0: 
aoqi@0:     public FoolProofResolver(SchemaOutputResolver resolver) {
aoqi@0:         assert resolver!=null;
aoqi@0:         this.resolver = resolver;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public Result createOutput(String namespaceUri, String suggestedFileName) throws IOException {
aoqi@0:         logger.entering(getClass().getName(),"createOutput",new Object[]{namespaceUri,suggestedFileName});
aoqi@0:         Result r = resolver.createOutput(namespaceUri,suggestedFileName);
aoqi@0:         if(r!=null) {
aoqi@0:             String sysId = r.getSystemId();
aoqi@0:             logger.finer("system ID = "+sysId);
aoqi@0:             if(sysId!=null) {
aoqi@0:                 // TODO: make sure that the system Id is absolute
aoqi@0: 
aoqi@0:                 // don't use java.net.URI, because it doesn't allow some characters (like SP)
aoqi@0:                 // which can legally used as file names.
aoqi@0: 
aoqi@0:                 // but don't use java.net.URL either, because it doesn't allow a made-up URI
aoqi@0:                 // like kohsuke://foo/bar/zot
aoqi@0:             } else
aoqi@0:                 throw new AssertionError("system ID cannot be null");
aoqi@0:         }
aoqi@0:         logger.exiting(getClass().getName(),"createOutput",r);
aoqi@0:         return r;
aoqi@0:     }
aoqi@0: }