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Diffstat (limited to 'velocity-engine-core/src/main/java/org/apache/velocity/runtime/resource/ContentResource.java')
-rw-r--r-- | velocity-engine-core/src/main/java/org/apache/velocity/runtime/resource/ContentResource.java | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/velocity-engine-core/src/main/java/org/apache/velocity/runtime/resource/ContentResource.java b/velocity-engine-core/src/main/java/org/apache/velocity/runtime/resource/ContentResource.java new file mode 100644 index 00000000..67974d1e --- /dev/null +++ b/velocity-engine-core/src/main/java/org/apache/velocity/runtime/resource/ContentResource.java @@ -0,0 +1,105 @@ +package org.apache.velocity.runtime.resource; + +/* + * 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. + */ + +import org.apache.velocity.exception.ResourceNotFoundException; +import org.apache.velocity.exception.VelocityException; +import org.apache.velocity.util.StringBuilderWriter; + +import java.io.BufferedReader; +import java.io.Writer; + +/** + * This class represent a general text resource that may have been + * retrieved from any number of possible sources. + * + * Also of interest is Velocity's {@link org.apache.velocity.Template} + * <code>Resource</code>. + * + * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a> + * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a> + * @version $Id$ + */ +public class ContentResource extends Resource +{ + /** Default empty constructor */ + public ContentResource() + { + super(); + + setType(ResourceManager.RESOURCE_CONTENT); + } + + /** + * Pull in static content and store it. + * @return True if everything went ok. + * + * @exception ResourceNotFoundException Resource could not be + * found. + */ + @Override + public boolean process() + throws ResourceNotFoundException + { + BufferedReader reader = null; + + try + { + Writer sw = new StringBuilderWriter(); + + reader = new BufferedReader(resourceLoader.getResourceReader(name, encoding)); + + char buf[] = new char[1024]; + int len = 0; + + while ( ( len = reader.read( buf, 0, 1024 )) != -1) + sw.write( buf, 0, len ); + + setData(sw.toString()); + + return true; + } + catch ( ResourceNotFoundException e ) + { + // Tell the ContentManager to continue to look through any + // remaining configured ResourceLoaders. + throw e; + } + catch ( Exception e ) + { + String msg = "Cannot process content resource"; + log.error(msg, e); + throw new VelocityException(msg, e, rsvc.getLogContext().getStackTrace()); + } + finally + { + if (reader != null) + { + try + { + reader.close(); + } + catch (Exception ignored) + { + } + } + } + } +} |