/scm-webapp/src/main/java/sonia/scm/template/ServletMustacheFactory.java
Java | 152 lines | 65 code | 28 blank | 59 comment | 12 complexity | ef39c047a1d87555e770065f4dbd56bb MD5 | raw file
Possible License(s): BSD-3-Clause
- /**
- * Copyright (c) 2010, Sebastian Sdorra
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of SCM-Manager; nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * http://bitbucket.org/sdorra/scm-manager
- *
- */
- package sonia.scm.template;
- //~--- non-JDK imports --------------------------------------------------------
- import com.github.mustachejava.DefaultMustacheFactory;
- import com.google.common.base.Charsets;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- import sonia.scm.plugin.PluginLoader;
- //~--- JDK imports ------------------------------------------------------------
- import java.io.BufferedReader;
- import java.io.InputStream;
- import java.io.InputStreamReader;
- import java.io.Reader;
- import javax.servlet.ServletContext;
- /**
- *
- * @author Sebastian Sdorra
- */
- public class ServletMustacheFactory extends DefaultMustacheFactory
- {
- /**
- * the logger for ServletMustacheFactory
- */
- private static final Logger logger =
- LoggerFactory.getLogger(ServletMustacheFactory.class);
- //~--- constructors ---------------------------------------------------------
- /**
- * Constructs ...
- *
- *
- * @param servletContext
- * @param pluginLoader
- */
- public ServletMustacheFactory(ServletContext servletContext,
- PluginLoader pluginLoader)
- {
- this.servletContext = servletContext;
- this.pluginLoader = pluginLoader;
- }
- //~--- get methods ----------------------------------------------------------
- /**
- * Method description
- *
- *
- * @param resourceName
- *
- * @return
- */
- @Override
- public Reader getReader(String resourceName)
- {
- if (logger.isTraceEnabled())
- {
- logger.trace("try to find resource for {}", resourceName);
- }
- Reader reader = null;
- InputStream is = servletContext.getResourceAsStream(resourceName);
- if (is == null)
- {
- if (logger.isTraceEnabled())
- {
- logger.trace("could not find resource {} in ServletContext",
- resourceName);
- }
- if (resourceName.startsWith("/"))
- {
- resourceName = resourceName.substring(1);
- }
- is = pluginLoader.getUberClassLoader().getResourceAsStream(resourceName);
- }
- if (is != null)
- {
- if (logger.isTraceEnabled())
- {
- logger.trace("found resource for {}, return reader", resourceName);
- }
- reader = new BufferedReader(new InputStreamReader(is, Charsets.UTF_8));
- }
- else if (logger.isWarnEnabled())
- {
- logger.warn("could not find resource {}", resourceName);
- }
- if (reader == null)
- {
- throw new MustacheTemplateNotFoundException(
- "could not find template for resource ".concat(resourceName));
- }
- return reader;
- }
- //~--- fields ---------------------------------------------------------------
- /** Field description */
- private final PluginLoader pluginLoader;
- /** Field description */
- private ServletContext servletContext;
- }