Author: mehdi
Date: Wed Jun 20 13:17:52 2012
New Revision: 1352086
URL: http://svn.apache.org/viewvc?rev=1352086&view=rev
Log:
Added class missing from last commit
Added:
xmlgraphics/fop/branches/Temp_URI_Unification/src/java/org/apache/fop/apps/io/InternalResourceResolver.java
(with props)
Added:
xmlgraphics/fop/branches/Temp_URI_Unification/src/java/org/apache/fop/apps/io/InternalResourceResolver.java
URL:
http://svn.apache.org/viewvc/xmlgraphics/fop/branches/Temp_URI_Unification/src/java/org/apache/fop/apps/io/InternalResourceResolver.java?rev=1352086&view=auto
==============================================================================
---
xmlgraphics/fop/branches/Temp_URI_Unification/src/java/org/apache/fop/apps/io/InternalResourceResolver.java
(added)
+++
xmlgraphics/fop/branches/Temp_URI_Unification/src/java/org/apache/fop/apps/io/InternalResourceResolver.java
Wed Jun 20 13:17:52 2012
@@ -0,0 +1,153 @@
+/*
+ * 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.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.apps.io;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import javax.xml.transform.Source;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.stream.StreamSource;
+
+import org.apache.xmlgraphics.util.uri.DataURIResolver;
+
+/**
+ * This object holds the base URI from which to resolve URIs against as well
as the resolver for
+ * resource acquisition. It also does some URI sanitization of common URI
syntactical errors. This
+ * class takes in a {@link org.apache.fop.apps.io.ResourceResolver} and
delegates all relevant
+ * URIs to it.
+ */
+public class InternalResourceResolver {
+ private final URI baseUri;
+ private final ResourceResolver uriResolver;
+ private final DataURIResolver dataSchemeResolver = new DataURIResolver();
+
+ /**
+ * @param baseUri the base URI from which to resolve relative URIs
+ * @param uriResolver the resolver to delegate to
+ */
+ public InternalResourceResolver(URI baseUri, ResourceResolver uriResolver)
{
+ this.baseUri = baseUri;
+ this.uriResolver = uriResolver;
+ }
+
+ /**
+ * Returns the base URI from which to resolve all URIs against.
+ *
+ * @return the base URI
+ */
+ public URI getBaseURI() {
+ return baseUri;
+ }
+
+ /**
+ * Retrieve a resource given a URI in String form. This also does some
syntactical sanitaion on
+ * the URI.
+ *
+ * @param stringUri the URI in String form
+ * @return the resource
+ * @throws IOException if an I/O error occurred
+ * @throws URISyntaxException if the URI syntax was invalid
+ */
+ public Resource getResource(String stringUri) throws IOException,
URISyntaxException {
+ if (stringUri.startsWith("data:")) {
+ return new Resource(resolveDataURI(stringUri));
+ }
+ return getResource(cleanURI(stringUri));
+ }
+
+ /**
+ * Retrieve a resource given a URI in String form.
+ *
+ * @param uri the resource URI
+ * @return the resource
+ * @throws IOException if an I/O error occurred
+ */
+ public Resource getResource(URI uri) throws IOException {
+ if (uri.getScheme() != null && uri.getScheme().startsWith("data")) {
+ return new Resource(resolveDataURI(uri.toASCIIString()));
+ }
+ return uriResolver.getResource(resolveFromBase(uri));
+ }
+
+ /**
+ * Returns the OutputStream for a given URI.
+ *
+ * @param uri the URI for the inteded stream
+ * @return the output stream
+ * @throws IOException if an I/O error occurrred
+ */
+ public OutputStream getOutputStream(URI uri) throws IOException {
+ return uriResolver.getOutputStream(resolveFromBase(uri));
+ }
+
+ /**
+ * Resolves a URI against the base URI.
+ *
+ * @param uri the URI that requires resolution
+ * @return the resolved URI
+ */
+ public URI resolveFromBase(URI uri) {
+ return baseUri.resolve(uri);
+ }
+
+ /**
+ * Performs some sanitation for some of the most common URI syntax
mistakes.
+ *
+ * @param uriStr the URI in String form
+ * @return a valid URI
+ * @throws URISyntaxException if the given String was too erroneous to
validate
+ */
+ public static URI cleanURI(String uriStr) throws URISyntaxException {
+ // replace back slash with forward slash to ensure windows file:///
URLS are supported
+ if (uriStr == null) {
+ return null;
+ }
+ String fixedUri = uriStr.replace('\\', '/');
+ fixedUri = fixedUri.replace(" ", "%20");
+ URI baseURI = new URI(fixedUri);
+ return baseURI;
+ }
+
+ /**
+ * Performs some sanitation for some of the most common URI syntax
mistakes but returns a
+ * directory URI rather than a file URI.
+ *
+ * @param base the directory URI in String form
+ * @return the directory URI
+ * @throws URISyntaxException if the given String was too erroneous to
validate
+ */
+ public static URI getBaseURI(String base) throws URISyntaxException {
+ String path = base + (base.endsWith("/") ? "" : "/");
+ return cleanURI(path);
+ }
+
+ private InputStream resolveDataURI(String dataURI) {
+ try {
+ Source src = dataSchemeResolver.resolve(dataURI, "");
+ return src == null ? null : ((StreamSource) src).getInputStream();
+ } catch (TransformerException e) {
+ throw new RuntimeException(e);
+ }
+ }
+}
Propchange:
xmlgraphics/fop/branches/Temp_URI_Unification/src/java/org/apache/fop/apps/io/InternalResourceResolver.java
------------------------------------------------------------------------------
svn:eol-style = native
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
