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 */ 25 26 package com.sun.tools.internal.xjc.reader.internalizer; 27 28 import java.io.IOException; 29 import java.io.File; 30 import java.net.URI; 31 import java.net.URISyntaxException; 32 33 import com.sun.istack.internal.SAXParseException2; 34 35 import org.xml.sax.Attributes; 36 import org.xml.sax.Locator; 37 import org.xml.sax.SAXException; 38 import org.xml.sax.SAXParseException; 39 import org.xml.sax.helpers.XMLFilterImpl; 40 41 /** 42 * XMLFilter that finds references to other schema files from 43 * SAX events. 44 * 45 * This implementation is a base implementation for typical case 46 * where we just need to look for a particular attribute which 47 * contains an URL to another schema file. 48 * 49 * @author 50 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) 51 */ 52 public abstract class AbstractReferenceFinderImpl extends XMLFilterImpl { 53 54 protected final DOMForest parent; 55 56 protected AbstractReferenceFinderImpl(DOMForest _parent) { 57 this.parent = _parent; 58 } 59 60 /** 61 * IF the given element contains a reference to an external resource, 62 * return its URL. 63 * 64 * @param nsURI 65 * Namespace URI of the current element 66 * @param localName 67 * Local name of the current element 68 * @return 69 * It's OK to return a relative URL. 70 */ 71 protected abstract String findExternalResource(String nsURI, String localName, Attributes atts); 72 73 @Override 74 public void startElement(String namespaceURI, String localName, String qName, Attributes atts) 75 throws SAXException { 76 super.startElement(namespaceURI, localName, qName, atts); 77 78 String relativeRef = findExternalResource(namespaceURI, localName, atts); 79 if (relativeRef == null) { 80 return; // not found 81 } 82 try { 83 // absolutize URL. 84 String lsi = locator.getSystemId(); 85 String ref; 86 if (lsi.startsWith("jar:")) { 87 int bangIdx = lsi.indexOf('!'); 88 if (bangIdx > 0) { 89 ref = lsi.substring(0, bangIdx + 1) 90 + new URI(lsi.substring(bangIdx + 1)).resolve(new URI(relativeRef)).toString(); 91 } else { 92 ref = relativeRef; 93 } 94 } else { 95 ref = new URI(lsi).resolve(new URI(relativeRef)).toString(); 96 } 97 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 } 108 109 SAXParseException spe = new SAXParseException2( 110 Messages.format(Messages.ERR_UNABLE_TO_PARSE, relativeRef, msg), 111 locator, e); 112 113 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); 119 120 fatalError(spe); 121 throw spe; 122 } 123 } 124 private Locator locator; 125 126 @Override 127 public void setDocumentLocator(Locator locator) { 128 super.setDocumentLocator(locator); 129 this.locator = locator; 130 } 131 }; | 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 */ 25 26 package com.sun.tools.internal.xjc.reader.internalizer; 27 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; 34 35 import java.io.File; 36 import java.io.IOException; 37 import java.net.URI; 38 import java.net.URISyntaxException; 39 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 { 51 52 protected final DOMForest parent; 53 54 protected AbstractReferenceFinderImpl(DOMForest _parent) { 55 this.parent = _parent; 56 } 57 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); 67 68 @Override 69 public void startElement(String namespaceURI, String localName, String qName, Attributes atts) 70 throws SAXException { 71 super.startElement(namespaceURI, localName, qName, atts); 72 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 } 97 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 } 108 109 SAXParseException spe = new SAXParseException2( 110 Messages.format(Messages.ERR_UNABLE_TO_PARSE, relativeRef, msg), 111 locator, e); 112 113 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); 119 120 fatalError(spe); 121 throw spe; 122 } 123 } 124 125 private Locator locator; 126 127 @Override 128 public void setDocumentLocator(Locator locator) { 129 super.setDocumentLocator(locator); 130 this.locator = locator; 131 } 132 } |