/*
* 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.provisionr.core;
import com.github.mustachejava.DefaultMustacheFactory;
import com.github.mustachejava.MustacheFactory;
import com.google.common.base.Charsets;
import com.google.common.io.Resources;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.StringReader;
import java.io.Writer;
import java.net.URL;
import java.util.Map;
/**
* Utility functions for rendering mustache templates as strings
*/
public class Mustache {
private Mustache() {
}
public static String toString(Class<?> contextClass, String resource, Map<String, ?> scopes)
throws IOException {
return toString(Resources.getResource(contextClass, resource), scopes);
}
public static String toString(URL resource, Map<String, ?> scopes) throws IOException {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
Writer writer = new OutputStreamWriter(outputStream);
String content = Resources.toString(resource, Charsets.UTF_8);
MustacheFactory factory = new DefaultMustacheFactory();
factory.compile(new StringReader(content), resource.toString())
.execute(writer, scopes);
writer.close();
return outputStream.toString();
}
}