All Downloads are FREE. Search and download functionalities are using the official Maven repository.
  • Log In
  • Register

    • com.googlecode.sarasvati.xml.XmlProcessDefinition Maven / Gradle / Ivy

    The newest version!
    /*
    This file is part of Sarasvati.

    Sarasvati is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.

    Sarasvati 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.

    You should have received a copy of the GNU Lesser General Public
    License along with Sarasvati.  If not, see .

    Copyright 2008 Paul Lorenz
 */

package com.googlecode.sarasvati.xml;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.TreeMap;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;

import com.googlecode.sarasvati.SarasvatiException;
import com.googlecode.sarasvati.load.SarasvatiLoadException;
import com.googlecode.sarasvati.load.definition.ExternalDefinition;
import com.googlecode.sarasvati.load.definition.NodeDefinition;
import com.googlecode.sarasvati.load.definition.ProcessDefinition;
import com.googlecode.sarasvati.load.properties.DOMToObjectLoadHelper;
import com.googlecode.sarasvati.util.SvUtil;

@XmlRootElement(name = "process-definition")
@XmlAccessorType(XmlAccessType.FIELD)
public class XmlProcessDefinition implements ProcessDefinition
{
  @XmlAttribute(name = "name", required = true)
  protected String            name;

  @XmlElement(name = "node")
  protected List     nodes     = new ArrayList();

  @XmlElement(name = "external")
  protected List externals = new ArrayList();

  @XmlElement(name="custom")
  protected XmlCustom custom;

  @XmlTransient
  protected String messageDigest = null;

  @Override
  public String getName ()
  {
    return name;
  }

  public void setName (final String name)
  {
    this.name = name;
  }

  @Override
  public List getNodes ()
  {
    return nodes;
  }

  public void setNodes (final List nodes)
  {
    this.nodes = nodes;
  }

  @Override
  public List getExternals ()
  {
    return externals;
  }

  public void setExternals (final List externals)
  {
    this.externals = externals;
  }

  @Override
  public List getCustomProcessData()
  {
    return custom != null? custom.getCustom() : Collections.emptyList();
  }

  @Override
  public XmlCustom getCustom()
  {
    return custom;
  }

  public void setCustom(XmlCustom custom)
  {
    this.custom = custom;
  }

  @Override
  public String getMessageDigest () throws SarasvatiLoadException
  {
    if ( messageDigest == null )
    {
      Collections.sort( nodes );
      Collections.sort( externals );

      try
      {
        MessageDigest digest = MessageDigest.getInstance( "SHA1" );
        digest.update( name.getBytes() );

        Map customProps = new TreeMap();
        DOMToObjectLoadHelper.loadCustomIntoMap( custom, customProps );

        for ( Entry entry : customProps.entrySet() )
        {
          digest.update( entry.getKey().getBytes() );
          if ( !SvUtil.isBlankOrNull( entry.getValue() ) )
          {
            digest.update( entry.getValue().getBytes() );
          }
        }

        for ( XmlNode node : nodes )
        {
          node.addToDigest( digest );
        }

        for ( XmlExternal external : externals )
        {
          external.addToDigest( digest );
        }

        messageDigest = SvUtil.getHexString( digest.digest() );
      }
      catch( NoSuchAlgorithmException nsae )
      {
        throw new SarasvatiException( "Unable to load SHA1 algorithm", nsae );
      }
    }

    return messageDigest;
  }

  @Override
  public String toString ()
  {
    StringBuilder buf = new StringBuilder();
    buf.append( "\n" );

    if (custom != null) {
    	buf.append( custom );
    	buf.append( "\n" );
    }

    for (NodeDefinition node : nodes)
    {
      buf.append( node );
      buf.append( "\n" );
    }

    for (ExternalDefinition external : externals)
    {
      buf.append( external );
      buf.append( "\n" );
    }

    buf.append( "" );
    return buf.toString();
  }
}
    
    
    
    

    




    
    
    © 2015 - 2024 Weber Informatics LLC | Privacy Policy