ApplicationContextDouble.java

/*
 * This program is free software; you can redistribute it and/or modify it under the 
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software 
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this 
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html 
 * or from the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * Copyright 2005 - 2009 Pentaho Corporation.  All rights reserved.
 *
*/
package org.pentaho.test.platform.web.doubles;

import java.io.File;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.platform.api.engine.IApplicationContext;
import org.pentaho.platform.api.engine.IPentahoSession;
import org.pentaho.platform.api.engine.IPentahoSystemEntryPoint;
import org.pentaho.platform.api.engine.IPentahoSystemExitPoint;
import org.pentaho.platform.api.util.ITempFileDeleter;

public class ApplicationContextDouble implements IApplicationContext {

  // ~ Static fields/initializers ======================================================================================

  private static final Log logger = LogFactory.getLog(ApplicationContextDouble.class);

  // ~ Instance fields =================================================================================================

  private String baseUrl;

  private Set<IPentahoSystemEntryPoint> entryPoints = new HashSet<IPentahoSystemEntryPoint>();

  private Set<IPentahoSystemExitPoint> exitPoints = new HashSet<IPentahoSystemExitPoint>();

  private String solutionRootPath;

  private Object context;

  // ~ Constructors ====================================================================================================

  @SuppressWarnings("nls")
  public ApplicationContextDouble() {
    super();
    if (logger.isDebugEnabled()) {
      logger.debug("looking for info as system properties");
    }
    solutionRootPath = System.getProperty("org.pentaho.doubles.ApplicationContext.solutionRootPath");
    baseUrl = System.getProperty("org.pentaho.doubles.ApplicationContext.baseUrl");
    if (logger.isDebugEnabled()) {
      logger.debug("solutionRootPath=" + solutionRootPath);
      logger.debug("baseUrl=" + baseUrl);
    }
    if (StringUtils.isBlank(solutionRootPath) || StringUtils.isBlank(baseUrl)) {
      throw new IllegalArgumentException("missing required system properties");
    }
  }

  // ~ Methods =========================================================================================================

  public void addEntryPointHandler(IPentahoSystemEntryPoint entryPoint) {
    entryPoints.add(entryPoint);
  }

  public void addExitPointHandler(IPentahoSystemExitPoint exitPoint) {
    exitPoints.add(exitPoint);
  }

  public String getApplicationPath(String arg0) {
    // TODO Auto-generated method stub
    return null;
  }

  public String getBaseUrl() {
    return baseUrl;
  }

  public Object getContext() {
    return context;
  }

  public String getFileOutputPath(String arg0) {
    // TODO Auto-generated method stub
    return null;
  }

  public String getPentahoServerName() {
    // TODO Auto-generated method stub
    return null;
  }

  public String getProperty(String arg0) {
    // TODO Auto-generated method stub
    return null;
  }

  public String getProperty(String arg0, String arg1) {
    // TODO Auto-generated method stub
    return null;
  }

  public String getSolutionPath(String path) {
    return solutionRootPath + "/" + path; //$NON-NLS-1$
  }

  public String getSolutionRootPath() {
    return solutionRootPath;
  }

  public void invokeEntryPoints() {
    // TODO Auto-generated method stub

  }

  public void invokeExitPoints() {
    // TODO Auto-generated method stub

  }

  public void removeEntryPointHandler(IPentahoSystemEntryPoint entryPoint) {
    entryPoints.remove(entryPoint);
  }

  public void removeExitPointHandler(IPentahoSystemExitPoint exitPoint) {
    exitPoints.remove(exitPoint);
  }

  public void setBaseUrl(String baseUrl) {
    this.baseUrl = baseUrl;
  }

  public void setContext(Object context) {
    this.context = context;
  }

  public void setSolutionRootPath(String solutionRootPath) {
    this.solutionRootPath = solutionRootPath;

  }

  public File createTempFile(final IPentahoSession session, final String prefix, final String extn, boolean trackFile) throws IOException {
    return createTempFile(session, prefix, extn, new File(getSolutionPath("system/tmp")), trackFile); //$NON-NLS-1$
  }
  
  public File createTempFile(final IPentahoSession session, final String prefix, final String extn, final File parentDir, boolean trackFile) throws IOException {
    ITempFileDeleter fileDeleter = null;
    if ((session != null) && trackFile) {
      fileDeleter = (ITempFileDeleter)session.getAttribute(ITempFileDeleter.DELETER_SESSION_VARIABLE);
    }
    final String newPrefix = new StringBuilder().append(prefix).append(session.getId().substring(0, 10)).append('-').toString();
    final File file = File.createTempFile(newPrefix, extn, parentDir);
    if (fileDeleter != null) {
      fileDeleter.trackTempFile(file);
    } else {
      // There is no deleter, so cleanup on VM exit. (old behavior)
      file.deleteOnExit(); 
    }
    return file;
  }

}