1 files changed, 51 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/apps/io/ResourceResolver.java b/src/java/org/apache/fop/apps/io/ResourceResolver.java
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+++ b/src/java/org/apache/fop/apps/io/ResourceResolver.java
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+/*
+ * 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.OutputStream;
+import java.net.URI;
+
+/**
+ * Implementations of this resource resolver allow FOP users to control the URI resolution
+ * mechanism. All resource and output stream acquisition goes through this when its implementation
+ * is given to the {@link org.apache.fop.apps.EnvironmentProfile}.
+ */
+public interface ResourceResolver {
+
+    /**
+     * Get a resource given the URI pointing to said resource.
+     *
+     * @param uri the resource URI
+     * @return the resource
+     * @throws IOException if an I/O error occured during resource acquisition
+     */
+    Resource getResource(URI uri) throws IOException;
+
+    /**
+     * Gets an output stream of a given URI.
+     *
+     * @param uri the output stream URI
+     * @return the output stream
+     * @throws IOException if an I/O error occured while creating an output stream
+     */
+    OutputStream getOutputStream(URI uri) throws IOException;
+
+}