682 * Method overridden in sub-classes.
683 */
684 @Override
685 public void close() throws IOException {
686 if (jarfile != null) {
687 jarfile.close();
688 }
689 }
690
691 /*
692 * Returns the local class path for this loader, or null if none.
693 */
694 URL[] getClassPath() throws IOException {
695 return null;
696 }
697 }
698
699 /*
700 * Nested class used to represent a Loader of resources from a JAR URL.
701 */
702 static class JarLoader extends Loader {
703 private JarFile jar;
704 private final URL csu;
705 private JarIndex index;
706 private URLStreamHandler handler;
707 private final HashMap<String, Loader> lmap;
708 private final AccessControlContext acc;
709 private boolean closed = false;
710 private static final JavaUtilZipFileAccess zipAccess =
711 SharedSecrets.getJavaUtilZipFileAccess();
712
713 /*
714 * Creates a new JarLoader for the specified URL referring to
715 * a JAR file.
716 */
717 JarLoader(URL url, URLStreamHandler jarHandler,
718 HashMap<String, Loader> loaderMap,
719 AccessControlContext acc)
720 throws IOException
721 {
722 super(new URL("jar", "", -1, url + "!/", jarHandler));
723 csu = url;
724 handler = jarHandler;
725 lmap = loaderMap;
726 this.acc = acc;
727
728 ensureOpen();
729 }
730
731 @Override
732 public void close () throws IOException {
733 // closing is synchronized at higher level
734 if (!closed) {
735 closed = true;
736 // in case not already open.
737 ensureOpen();
1176 /**
1177 * Returns true if the given input is a relative URI.
1178 */
1179 static boolean isRelative(String child) {
1180 try {
1181 return !URI.create(child).isAbsolute();
1182 } catch (IllegalArgumentException e) {
1183 return false;
1184 }
1185 }
1186 }
1187
1188 /*
1189 * Nested class used to represent a loader of classes and resources
1190 * from a file URL that refers to a directory.
1191 */
1192 private static class FileLoader extends Loader {
1193 /* Canonicalized File */
1194 private File dir;
1195
1196 FileLoader(URL url) throws IOException {
1197 super(url);
1198 if (!"file".equals(url.getProtocol())) {
1199 throw new IllegalArgumentException("url");
1200 }
1201 String path = url.getFile().replace('/', File.separatorChar);
1202 path = ParseUtil.decode(path);
1203 dir = (new File(path)).getCanonicalFile();
1204 }
1205
1206 /*
1207 * Returns the URL for a resource with the specified name
1208 */
1209 @Override
1210 URL findResource(final String name, boolean check) {
1211 Resource rsc = getResource(name, check);
1212 if (rsc != null) {
1213 return rsc.getURL();
1214 }
1215 return null;
1216 }
1217
1218 @Override
1219 Resource getResource(final String name, boolean check) {
1220 final URL url;
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682 * Method overridden in sub-classes.
683 */
684 @Override
685 public void close() throws IOException {
686 if (jarfile != null) {
687 jarfile.close();
688 }
689 }
690
691 /*
692 * Returns the local class path for this loader, or null if none.
693 */
694 URL[] getClassPath() throws IOException {
695 return null;
696 }
697 }
698
699 /*
700 * Nested class used to represent a Loader of resources from a JAR URL.
701 */
702 private static class JarLoader extends Loader {
703 private JarFile jar;
704 private final URL csu;
705 private JarIndex index;
706 private URLStreamHandler handler;
707 private final HashMap<String, Loader> lmap;
708 private final AccessControlContext acc;
709 private boolean closed = false;
710 private static final JavaUtilZipFileAccess zipAccess =
711 SharedSecrets.getJavaUtilZipFileAccess();
712
713 /*
714 * Creates a new JarLoader for the specified URL referring to
715 * a JAR file.
716 */
717 private JarLoader(URL url, URLStreamHandler jarHandler,
718 HashMap<String, Loader> loaderMap,
719 AccessControlContext acc)
720 throws IOException
721 {
722 super(new URL("jar", "", -1, url + "!/", jarHandler));
723 csu = url;
724 handler = jarHandler;
725 lmap = loaderMap;
726 this.acc = acc;
727
728 ensureOpen();
729 }
730
731 @Override
732 public void close () throws IOException {
733 // closing is synchronized at higher level
734 if (!closed) {
735 closed = true;
736 // in case not already open.
737 ensureOpen();
1176 /**
1177 * Returns true if the given input is a relative URI.
1178 */
1179 static boolean isRelative(String child) {
1180 try {
1181 return !URI.create(child).isAbsolute();
1182 } catch (IllegalArgumentException e) {
1183 return false;
1184 }
1185 }
1186 }
1187
1188 /*
1189 * Nested class used to represent a loader of classes and resources
1190 * from a file URL that refers to a directory.
1191 */
1192 private static class FileLoader extends Loader {
1193 /* Canonicalized File */
1194 private File dir;
1195
1196 /*
1197 * Creates a new FileLoader for the specified URL with a file protocol.
1198 */
1199 private FileLoader(URL url) throws IOException {
1200 super(url);
1201 String path = url.getFile().replace('/', File.separatorChar);
1202 path = ParseUtil.decode(path);
1203 dir = (new File(path)).getCanonicalFile();
1204 }
1205
1206 /*
1207 * Returns the URL for a resource with the specified name
1208 */
1209 @Override
1210 URL findResource(final String name, boolean check) {
1211 Resource rsc = getResource(name, check);
1212 if (rsc != null) {
1213 return rsc.getURL();
1214 }
1215 return null;
1216 }
1217
1218 @Override
1219 Resource getResource(final String name, boolean check) {
1220 final URL url;
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