001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.monitoring.reporting.web.handler.api;
018    
019    import org.apache.commons.monitoring.reporting.web.template.MapBuilder;
020    import org.apache.commons.monitoring.reporting.web.template.Templates;
021    
022    import java.io.PrintWriter;
023    import java.util.Collections;
024    import java.util.Map;
025    
026    public class TemplateHelper {
027        private final PrintWriter writer;
028        private final Map<String, ?> params;
029    
030        public TemplateHelper(final PrintWriter writer, final Map<String, ?> params) {
031            this.writer = writer;
032            this.params = params;
033        }
034    
035        public void renderHtml(final String template) {
036            renderHtml(template, Collections.<String, Object>emptyMap());
037        }
038    
039        public void renderHtml(final String template, final Map<String, ?> userParams) {
040            Templates.htmlRender(writer, template, new MapBuilder<String, Object>().set(Map.class.cast(params)).set(Map.class.cast(userParams)).build());
041        }
042    
043        public void renderPlain(final String template, final Map<String, ?> params) {
044            Templates.render(writer, template, params);
045        }
046    
047        public void renderPlain(final String template) {
048            renderPlain(template, Collections.<String, Object>emptyMap());
049        }
050    
051        public void write(final String message) {
052            writer.write(message);
053        }
054    }