Android Open Source - HistoryCleanerPro Prefs Modifier

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License

The source code is released under:

Copyright (c) 2014, John Phillips All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: ...

Java Source Code

package com.ayros.historycleaner.helpers;
/*from  ww w .j  ava 2 s  . c  o  m*/
import java.io.StringReader;

import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathFactory;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;

public class PrefsModifier
{
  private String prefData;

  public PrefsModifier(String path)
  {
    prefData = RootHelper.getFileContents(path);
  }

  public String getValue(String key)
  {
    if (prefData == null)
    {
      return null;
    }
    
    XPath xpath = XPathFactory.newInstance().newXPath();
      InputSource source = new InputSource(new StringReader(prefData));
    String expression = "//*[@name='" + key + "']";
    try
    {
      NodeList nodes = (NodeList) xpath.evaluate(expression, source, XPathConstants.NODESET);
      if (nodes.getLength() != 1)
      {
        return null;
      }
      
      Node n = nodes.item(0);
      
      return n.getTextContent();
    }
    catch (Exception e)
    {
      return null;
    }
  }
}

Java Source Code List

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