PluginImportNode.java :  » IDE-Eclipse » pde » org » eclipse » pde » internal » core » text » plugin » Java Open Source

/*******************************************************************************
 *  Copyright (c) 2000, 2008 IBM Corporation and others.
 *  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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.pde.internal.core.text.plugin;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.pde.core.plugin.IMatchRules;
import org.eclipse.pde.core.plugin.IPluginImport;

public class PluginImportNode extends PluginObjectNode implements IPluginImport {

  private static final long serialVersionUID = 1L;

  public PluginImportNode(String id) {
    super();
    String name = "plugin"; //$NON-NLS-1$
    try {
      if (id == null)
        id = ""; //$NON-NLS-1$
      PluginAttribute attr = new PluginAttribute();
      attr.setName(name);
      attr.setEnclosingElement(this);
      getNodeAttributesMap().put(name, attr);
      attr.setValue(id);
    } catch (CoreException e) {
    }
  }

  public PluginImportNode() {
    super();
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.core.plugin.IPluginImport#isReexported()
   */
  public boolean isReexported() {
    String value = getXMLAttributeValue(P_REEXPORTED);
    return value != null && value.equals("true"); //$NON-NLS-1$
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.core.plugin.IPluginImport#isOptional()
   */
  public boolean isOptional() {
    String value = getXMLAttributeValue(P_OPTIONAL);
    return value != null && value.equals("true"); //$NON-NLS-1$
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.core.plugin.IPluginImport#setReexported(boolean)
   */
  public void setReexported(boolean value) throws CoreException {
    setXMLAttribute(P_REEXPORTED, value ? "true" : "false"); //$NON-NLS-1$ //$NON-NLS-2$
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.core.plugin.IPluginImport#setOptional(boolean)
   */
  public void setOptional(boolean value) throws CoreException {
    setXMLAttribute(P_OPTIONAL, value ? "true" : "false"); //$NON-NLS-1$ //$NON-NLS-2$
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.core.plugin.IPluginReference#getMatch()
   */
  public int getMatch() {
    String match = getXMLAttributeValue(P_MATCH);
    if (match == null || match.trim().length() == 0)
      return IMatchRules.NONE;
    if (match.equals("compatible")) //$NON-NLS-1$
      return IMatchRules.COMPATIBLE;
    if (match.equals("perfect")) //$NON-NLS-1$
      return IMatchRules.PERFECT;
    if (match.equals("equivalent")) //$NON-NLS-1$
      return IMatchRules.EQUIVALENT;
    return IMatchRules.GREATER_OR_EQUAL;
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.core.plugin.IPluginReference#getVersion()
   */
  public String getVersion() {
    return getXMLAttributeValue(P_VERSION);
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.core.plugin.IPluginReference#setMatch(int)
   */
  public void setMatch(int match) throws CoreException {
    switch (match) {
      case IMatchRules.GREATER_OR_EQUAL :
        setXMLAttribute(P_MATCH, "greaterOrEqual"); //$NON-NLS-1$
        break;
      case IMatchRules.EQUIVALENT :
        setXMLAttribute(P_MATCH, "equivalent"); //$NON-NLS-1$
        break;
      case IMatchRules.COMPATIBLE :
        setXMLAttribute(P_MATCH, "compatible"); //$NON-NLS-1$
        break;
      case IMatchRules.PERFECT :
        setXMLAttribute(P_MATCH, "perfect"); //$NON-NLS-1$
        break;
      default :
        setXMLAttribute(P_MATCH, null);
    }
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.core.plugin.IPluginReference#setVersion(java.lang.String)
   */
  public void setVersion(String version) throws CoreException {
    setXMLAttribute(P_VERSION, version);
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.core.IIdentifiable#getId()
   */
  public String getId() {
    return getXMLAttributeValue("plugin"); //$NON-NLS-1$
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.core.IIdentifiable#setId(java.lang.String)
   */
  public void setId(String id) throws CoreException {
    setXMLAttribute("plugin", id); //$NON-NLS-1$
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.internal.ui.model.plugin.PluginObjectNode#write()
   */
  public String write(boolean indent) {
    return indent ? getIndent() + writeShallow(true) : writeShallow(true);
  }

  /* (non-Javadoc)
   * @see org.eclipse.pde.internal.ui.model.plugin.PluginObjectNode#writeShallow(boolean)
   */
  public String writeShallow(boolean terminate) {
    StringBuffer buffer = new StringBuffer("<import"); //$NON-NLS-1$
    appendAttribute(buffer, "plugin"); //$NON-NLS-1$
    appendAttribute(buffer, P_VERSION);
    appendAttribute(buffer, P_MATCH);
    appendAttribute(buffer, P_REEXPORTED, "false"); //$NON-NLS-1$
    appendAttribute(buffer, P_OPTIONAL, "false"); //$NON-NLS-1$

    if (terminate)
      buffer.append("/"); //$NON-NLS-1$
    buffer.append(">"); //$NON-NLS-1$
    return buffer.toString();
  }

}