org.springframework.boot.autoconfigure.mustache.MustacheResourceTemplateLoader Maven / Gradle / Ivy
/*
* Copyright 2012-2017 the original author or authors.
*
* Licensed 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.springframework.boot.autoconfigure.mustache;
import java.io.InputStreamReader;
import java.io.Reader;
import com.samskivert.mustache.Mustache;
import com.samskivert.mustache.Mustache.Compiler;
import com.samskivert.mustache.Mustache.TemplateLoader;
import org.springframework.context.ResourceLoaderAware;
import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
/**
* Mustache TemplateLoader implementation that uses a prefix, suffix and the Spring
* Resource abstraction to load a template from a file, classpath, URL etc. A
* {@link TemplateLoader} is needed in the {@link Compiler} when you want to render
* partials (i.e. tiles-like features).
*
* @author Dave Syer
* @since 1.2.2
* @see Mustache
* @see Resource
*/
public class MustacheResourceTemplateLoader
implements TemplateLoader, ResourceLoaderAware {
private String prefix = "";
private String suffix = "";
private String charSet = "UTF-8";
private ResourceLoader resourceLoader = new DefaultResourceLoader();
public MustacheResourceTemplateLoader() {
}
public MustacheResourceTemplateLoader(String prefix, String suffix) {
this.prefix = prefix;
this.suffix = suffix;
}
/**
* Set the charset.
* @param charSet the charset
*/
public void setCharset(String charSet) {
this.charSet = charSet;
}
/**
* Set the resource loader.
* @param resourceLoader the resource loader
*/
@Override
public void setResourceLoader(ResourceLoader resourceLoader) {
this.resourceLoader = resourceLoader;
}
@Override
public Reader getTemplate(String name) throws Exception {
return new InputStreamReader(this.resourceLoader
.getResource(this.prefix + name + this.suffix).getInputStream(),
this.charSet);
}
}