LaunchConfigurationImpl.java

/**********************************************************************
 * Copyright (c) 2005-2009 ant4eclipse project team.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Nils Hartmann, Daniel Kasmeroglu, Gerd Wuetherich
 **********************************************************************/
package org.ant4eclipse.lib.platform.internal.model.launcher;

import java.util.Collection;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;

import org.ant4eclipse.lib.core.Assure;
import org.ant4eclipse.lib.platform.internal.model.launcher.LaunchConfigAttribute.ListAttribute;
import org.ant4eclipse.lib.platform.model.launcher.LaunchConfiguration;

public class LaunchConfigurationImpl implements LaunchConfiguration {

  private String                             _type;

  private Map<String, LaunchConfigAttribute> _attributes;

  public LaunchConfigurationImpl(String type, List<LaunchConfigAttribute> attributes) {
    super();
    this._type = type;
    this._attributes = new Hashtable<String, LaunchConfigAttribute>();
    for (LaunchConfigAttribute attribute : attributes) {
      this._attributes.put(attribute.getName(), attribute);
    }
  }

  public Collection<String> getAttributeNames() {
    return this._attributes.keySet();
  }

  public boolean getBooleanAttribute(String attributeName) {
    LaunchConfigAttribute launchConfigAttribute = getLaunchConfigAttribute(attributeName);
    if (launchConfigAttribute == null) {
      return false;
    }
    return Boolean.parseBoolean(launchConfigAttribute.getStringValue());
  }

  public String getAttribute(String attributeName) {

    LaunchConfigAttribute launchConfigAttribute = getLaunchConfigAttribute(attributeName);
    if (launchConfigAttribute == null) {
      return null;
    }

    return String.valueOf(launchConfigAttribute.getValue());
  }

  public String[] getListAttribute(String attributeName) {
    LaunchConfigAttribute launchConfigAttribute = getLaunchConfigAttribute(attributeName);
    if (launchConfigAttribute == null) {
      return null;
    }

    if (!launchConfigAttribute.isListAttribute()) {
      // TODO : Exception ?
      return null;
    }

    ListAttribute listAttributeValue = launchConfigAttribute.getListAttributeValue();
    return listAttributeValue.getEntries().toArray(new String[0]);
  }

  protected LaunchConfigAttribute getLaunchConfigAttribute(String attributeName) {
    Assure.notNull("attributeName", attributeName);
    return this._attributes.get(attributeName);
  }

  public String getType() {
    return this._type;
  }

  /**
   * Constructs a <code>String</code> with all attributes in name = value format.
   * 
   * @return a <code>String</code> representation of this object.
   */
  @Override
  public String toString() {

    String retValue = "LaunchConfigurationImpl ( " // prefix
        + super.toString() // add super attributes
        + ", _type = '" + this._type + "'" // _type
        + ", _attributes = '" + this._attributes + "'" // _attributes
        + " )";

    return retValue;
  }

}