core/src/main/java/org/apache/myfaces/tobago/tool/BuilderModel.java

package org.apache.myfaces.tobago.tool;

/*
 * 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.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.faces.context.FacesContext;
import javax.servlet.ServletContext;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;

public class BuilderModel {

  private static final Log LOG = LogFactory.getLog(BuilderModel.class);

  private String page = "builder/index.jsp";
  private String source;


  public String getPage() {
    return page;
  }

  public void setPage(String page) {
    this.page = page;
  }

  public String getSource() {
    return source;
  }

  public void setSource(String source) {
    this.source = source;
  }

  public String open() {
    if (LOG.isDebugEnabled()) {
      LOG.debug("invoke!!!");
    }

    return "enterPagename";
  }

  public String loadPage() {
    if (LOG.isDebugEnabled()) {
      LOG.debug("invoke!!!");
    }

    FacesContext facesContext = FacesContext.getCurrentInstance();

    InputStream stream = null;
    try {
      stream = facesContext.getExternalContext().getResourceAsStream(page);
      source = IOUtils.toString(stream);
    } catch (IOException e) {
      LOG.error("", e);
      return "error"; // TODO: error message
    } finally {
      IOUtils.closeQuietly(stream);
    }

    return "viewSource";
  }

  public String savePage() {
    if (LOG.isDebugEnabled()) {
      LOG.debug("invoke!!!");
    }

    FacesContext facesContext = FacesContext.getCurrentInstance();
    // TODO ServletContext ???
    ServletContext servletContext =
        (ServletContext) facesContext.getExternalContext().getContext();

    String realPath = servletContext.getRealPath(page);
    try {
      // TODO: use IOUtils.write when commons-io 1.1 is released
      FileUtils.writeStringToFile(new File(realPath), source, System.getProperty("file.encoding"));
    } catch (IOException e) {
      LOG.error("", e);
      return "error"; // TODO: error message
    }

    return "viewSource";
  }

}