Author: bodewig
Date: Fri Nov 14 08:04:30 2008
New Revision: 714053
URL: http://svn.apache.org/viewvc?rev=714053&view=rev
Log:
initial, completely non-functional mapped resource. There must be a better way
to support the optional resoucre interfaces!
Added:
ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResource.java
(with props)
Added:
ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResource.java
URL:
http://svn.apache.org/viewvc/ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResource.java?rev=714053&view=auto
==============================================================================
---
ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResource.java
(added)
+++
ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResource.java
Fri Nov 14 08:04:30 2008
@@ -0,0 +1,324 @@
+/*
+ * 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.tools.ant.types.resources;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import org.apache.tools.ant.types.Reference;
+import org.apache.tools.ant.types.Resource;
+
+/**
+ * A decorator around a different resource that uses a mapper to
+ * dynamically remap the resource's name.
+ *
+ * <p>Does not change any of the other methods, in particular
+ * getFile() does not map the file name.</p>
+ *
+ * <p>Overwrites all setters to throw exceptions.</p>
+ *
+ * @since Ant 1.8.0
+ */
+public class MappedResource extends Resource {
+ private final Resource wrapped;
+
+ // should only be instantiated via factory, this also means we
+ // don't have to think about being a reference to a different
+ // resource
+
+ /**
+ * Wraps an existing resource.
+ */
+ protected MappedResource(Resource r) {
+ wrapped = r;
+ }
+
+ /**
+ * Maps the name.
+ */
+ public String getName() {
+ return wrapped.getName();
+ }
+
+ /**
+ * Not supported.
+ */
+ public void setName(String name) {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * delegated to the wrapped resource.
+ */
+ public boolean isExists() {
+ return wrapped.isExists();
+ }
+
+ /**
+ * Not supported.
+ */
+ public void setExists(boolean exists) {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * delegated to the wrapped resource.
+ */
+ public long getLastModified() {
+ return wrapped.getLastModified();
+ }
+
+ /**
+ * Not supported.
+ */
+ public void setLastModified(long lastmodified) {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * delegated to the wrapped resource.
+ */
+ public boolean isDirectory() {
+ return wrapped.isDirectory();
+ }
+
+ /**
+ * Not supported.
+ */
+ public void setDirectory(boolean directory) {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * delegated to the wrapped resource.
+ */
+ public long getSize() {
+ return wrapped.getSize();
+ }
+
+ /**
+ * Not supported.
+ */
+ public void setSize(long size) {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * delegated to the wrapped resource.
+ */
+ public InputStream getInputStream() throws IOException {
+ return wrapped.getInputStream();
+ }
+
+ /**
+ * delegated to the wrapped resource.
+ */
+ public OutputStream getOutputStream() throws IOException {
+ return wrapped.getOutputStream();
+ }
+
+ /**
+ * delegated to the wrapped resource.
+ */
+ public boolean isFilesystemOnly() {
+ return wrapped.isFilesystemOnly();
+ }
+
+ public String toString() {
+ return "mapped " + wrapped.toString();
+ }
+
+ /**
+ * Not supported.
+ */
+ public void setRefid(Reference r) {
+ throw new UnsupportedOperationException();
+ }
+
+ public static MappedResource map(Resource r) {
+ if (r instanceof FileProvider) {
+ if (r instanceof Touchable) {
+ if (r instanceof Appendable) {
+ // most probably FileResource
+ return new AppendableTouchableFileProviderMR(r);
+ }
+ return new TouchableFileProviderMR(r);
+ }
+ if (r instanceof Appendable) {
+ return new AppendableFileProviderMR(r);
+ }
+ return new FileProviderMR(r);
+ }
+ if (r instanceof Touchable) {
+ if (r instanceof Appendable) {
+ return new AppendableTouchableMR(r);
+ }
+ return new TouchableMR(r);
+ }
+ if (r instanceof Appendable) {
+ return new AppendableMR(r);
+ }
+ // no special interface
+ return new MappedResource(r);
+ }
+
+ private static class FileProviderMR extends MappedResource
+ implements FileProvider {
+ private final FileProvider p;
+
+ protected FileProviderMR(Resource r) {
+ super(r);
+ if (!(r instanceof FileProvider)) {
+ throw new IllegalArgumentException("trying to wrap something "
+ + "that is not a "
+ + " FileProvider");
+ }
+ p = (FileProvider) r;
+ }
+
+ /**
+ * delegated to the wrapped resource.
+ */
+ public File getFile() {
+ return p.getFile();
+ }
+ }
+
+ private static class TouchableMR extends MappedResource
+ implements Touchable {
+ private final Touchable t;
+
+ protected TouchableMR(Resource r) {
+ super(r);
+ if (!(r instanceof Touchable)) {
+ throw new IllegalArgumentException("trying to wrap something "
+ + "that is not a "
+ + " Touchable");
+ }
+ t = (Touchable) r;
+ }
+
+ /**
+ * delegated to the wrapped resource.
+ */
+ public void touch(long m) {
+ t.touch(m);
+ }
+ }
+
+ private static class AppendableMR extends MappedResource
+ implements Appendable {
+ private final Appendable a;
+
+ protected AppendableMR(Resource r) {
+ super(r);
+ if (!(r instanceof Appendable)) {
+ throw new IllegalArgumentException("trying to wrap something "
+ + "that is not a "
+ + " Appendable");
+ }
+ a = (Appendable) r;
+ }
+
+ public OutputStream getAppendOutputStream() throws IOException {
+ return a.getAppendOutputStream();
+ }
+ }
+
+ private static class TouchableFileProviderMR extends FileProviderMR
+ implements Touchable {
+ private final Touchable t;
+
+ protected TouchableFileProviderMR(Resource r) {
+ super(r);
+ if (!(r instanceof Touchable)) {
+ throw new IllegalArgumentException("trying to wrap something "
+ + "that is not a "
+ + " Touchable");
+ }
+ t = (Touchable) r;
+ }
+
+ /**
+ * delegated to the wrapped resource.
+ */
+ public void touch(long m) {
+ t.touch(m);
+ }
+ }
+
+ private static class AppendableFileProviderMR extends FileProviderMR
+ implements Appendable {
+ private final Appendable a;
+
+ protected AppendableFileProviderMR(Resource r) {
+ super(r);
+ if (!(r instanceof Appendable)) {
+ throw new IllegalArgumentException("trying to wrap something "
+ + "that is not a "
+ + " Appendable");
+ }
+ a = (Appendable) r;
+ }
+
+ public OutputStream getAppendOutputStream() throws IOException {
+ return a.getAppendOutputStream();
+ }
+ }
+
+ private static class AppendableTouchableMR extends TouchableMR
+ implements Appendable {
+ private final Appendable a;
+
+ protected AppendableTouchableMR(Resource r) {
+ super(r);
+ if (!(r instanceof Appendable)) {
+ throw new IllegalArgumentException("trying to wrap something "
+ + "that is not a "
+ + " Appendable");
+ }
+ a = (Appendable) r;
+ }
+
+ public OutputStream getAppendOutputStream() throws IOException {
+ return a.getAppendOutputStream();
+ }
+ }
+
+ private static class AppendableTouchableFileProviderMR
+ extends TouchableFileProviderMR
+ implements Appendable {
+ private final Appendable a;
+
+ protected AppendableTouchableFileProviderMR(Resource r) {
+ super(r);
+ if (!(r instanceof Appendable)) {
+ throw new IllegalArgumentException("trying to wrap something "
+ + "that is not a "
+ + " Appendable");
+ }
+ a = (Appendable) r;
+ }
+
+ public OutputStream getAppendOutputStream() throws IOException {
+ return a.getAppendOutputStream();
+ }
+ }
+
+}
\ No newline at end of file
Propchange:
ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResource.java
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svn:eol-style = native
