jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/internalizer/AbstractReferenceFinderImpl.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package com.sun.tools.internal.xjc.reader.internalizer;

    28 import com.sun.istack.internal.SAXParseException2;

    29 import org.xml.sax.Attributes;

    30 import org.xml.sax.Locator;

    31 import org.xml.sax.SAXException;

    32 import org.xml.sax.SAXParseException;

    33 import org.xml.sax.helpers.XMLFilterImpl;

    35 import java.io.File;

    36 import java.io.IOException;

    37 import java.net.URI;

    38 import java.net.URISyntaxException;

    40 /**

    41  * XMLFilter that finds references to other schema files from

    42  * SAX events.

    43  * <p/>

    44  * This implementation is a base implementation for typical case

    45  * where we just need to look for a particular attribute which

    46  * contains an URL to another schema file.

    47  *

    48  * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)

    49  */

    50 public abstract class AbstractReferenceFinderImpl extends XMLFilterImpl {

    52     protected final DOMForest parent;

    54     protected AbstractReferenceFinderImpl(DOMForest _parent) {

    55         this.parent = _parent;

    56     }

    58     /**

    59      * IF the given element contains a reference to an external resource,

    60      * return its URL.

    61      *

    62      * @param nsURI     Namespace URI of the current element

    63      * @param localName Local name of the current element

    64      * @return It's OK to return a relative URL.

    65      */

    66     protected abstract String findExternalResource(String nsURI, String localName, Attributes atts);

    68     @Override

    69     public void startElement(String namespaceURI, String localName, String qName, Attributes atts)

    70             throws SAXException {

    71         super.startElement(namespaceURI, localName, qName, atts);

    73         String relativeRef = findExternalResource(namespaceURI, localName, atts);

    74         if (relativeRef == null) {

    75             return; // not found

    76         }

    77         try {

    78             // absolutize URL.

    79             String lsi = locator.getSystemId();

    80             String ref;

    81             URI relRefURI = new URI(relativeRef);

    82             if (relRefURI.isAbsolute())

    83                 ref = relativeRef;

    84             else {

    85                 if (lsi.startsWith("jar:")) {

    86                     int bangIdx = lsi.indexOf('!');

    87                     if (bangIdx > 0) {

    88                         ref = lsi.substring(0, bangIdx + 1)

    89                                 + new URI(lsi.substring(bangIdx + 1)).resolve(new URI(relativeRef)).toString();

    90                     } else {

    91                         ref = relativeRef;

    92                     }

    93                 } else {

    94                     ref = new URI(lsi).resolve(new URI(relativeRef)).toString();

    95                 }

    96             }

    98             // then parse this schema as well,

    99             // but don't mark this document as a root.

   100             if (parent != null) { // this is there to allow easier testing

   101                 parent.parse(ref, false);

   102             }

   103         } catch (URISyntaxException e) {

   104             String msg = e.getMessage();

   105             if (new File(relativeRef).exists()) {

   106                 msg = Messages.format(Messages.ERR_FILENAME_IS_NOT_URI) + ' ' + msg;

   107             }

   109             SAXParseException spe = new SAXParseException2(

   110                     Messages.format(Messages.ERR_UNABLE_TO_PARSE, relativeRef, msg),

   111                     locator, e);

   113             fatalError(spe);

   114             throw spe;

   115         } catch (IOException e) {

   116             SAXParseException spe = new SAXParseException2(

   117                     Messages.format(Messages.ERR_UNABLE_TO_PARSE, relativeRef, e.getMessage()),

   118                     locator, e);

   120             fatalError(spe);

   121             throw spe;

   122         }

   123     }

   125     private Locator locator;

   127     @Override

   128     public void setDocumentLocator(Locator locator) {

   129         super.setDocumentLocator(locator);

   130         this.locator = locator;

   131     }

   132 }

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