jaxp/src/java.xml/share/classes/com/sun/org/apache/xalan/internal/lib/Extensions.java
changeset 31497 4a6b2e733c0d
parent 25868 686eef1e7a79
child 44797 8b3b3b911b8a
--- a/jaxp/src/java.xml/share/classes/com/sun/org/apache/xalan/internal/lib/Extensions.java	Wed Jul 05 20:39:43 2017 +0200
+++ b/jaxp/src/java.xml/share/classes/com/sun/org/apache/xalan/internal/lib/Extensions.java	Tue Jun 30 12:04:27 2015 +0200
@@ -22,20 +22,16 @@
  */
 package com.sun.org.apache.xalan.internal.lib;
 
-import java.util.Hashtable;
 import java.util.StringTokenizer;
 
-import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
 
 import com.sun.org.apache.xalan.internal.extensions.ExpressionContext;
-import com.sun.org.apache.xalan.internal.xslt.EnvironmentCheck;
 import com.sun.org.apache.xpath.internal.NodeSet;
 import com.sun.org.apache.xpath.internal.objects.XBoolean;
 import com.sun.org.apache.xpath.internal.objects.XNumber;
 import com.sun.org.apache.xpath.internal.objects.XObject;
-import com.sun.org.apache.xalan.internal.utils.ObjectFactory;
 
 import org.w3c.dom.Document;
 import org.w3c.dom.DocumentFragment;
@@ -275,102 +271,6 @@
     return tokenize(toTokenize, " \t\n\r");
   }
 
-  /**
-   * Return a Node of basic debugging information from the
-   * EnvironmentCheck utility about the Java environment.
-   *
-   * <p>Simply calls the {@link com.sun.org.apache.xalan.internal.xslt.EnvironmentCheck}
-   * utility to grab info about the Java environment and CLASSPATH,
-   * etc., and then returns the resulting Node.  Stylesheets can
-   * then maniuplate this data or simply xsl:copy-of the Node.  Note
-   * that we first attempt to load the more advanced
-   * org.apache.env.Which utility by reflection; only if that fails
-   * to we still use the internal version.  Which is available from
-   * <a href="http://xml.apache.org/commons/">http://xml.apache.org/commons/</a>.</p>
-   *
-   * <p>We throw a WrappedRuntimeException in the unlikely case
-   * that reading information from the environment throws us an
-   * exception. (Is this really the best thing to do?)</p>
-   *
-   * @param myContext an <code>ExpressionContext</code> passed in by the
-   *                  extension mechanism.  This must be an XPathContext.
-   * @return a Node as described above.
-   */
-  public static Node checkEnvironment(ExpressionContext myContext)
-  {
-
-    Document factoryDocument = getDocument();
-
-    Node resultNode = null;
-    try
-    {
-      // First use reflection to try to load Which, which is a
-      //  better version of EnvironmentCheck
-      resultNode = checkEnvironmentUsingWhich(myContext, factoryDocument);
-
-      if (null != resultNode)
-        return resultNode;
-
-      // If reflection failed, fallback to our internal EnvironmentCheck
-      EnvironmentCheck envChecker = new EnvironmentCheck();
-      Hashtable h = envChecker.getEnvironmentHash();
-      resultNode = factoryDocument.createElement("checkEnvironmentExtension");
-      envChecker.appendEnvironmentReport(resultNode, factoryDocument, h);
-      envChecker = null;
-    }
-    catch(Exception e)
-    {
-      throw new com.sun.org.apache.xml.internal.utils.WrappedRuntimeException(e);
-    }
-
-    return resultNode;
-  }
-
-  /**
-   * Private worker method to attempt to use org.apache.env.Which.
-   *
-   * @param myContext an <code>ExpressionContext</code> passed in by the
-   *                  extension mechanism.  This must be an XPathContext.
-   * @param factoryDocument providing createElement services, etc.
-   * @return a Node with environment info; null if any error
-   */
-  private static Node checkEnvironmentUsingWhich(ExpressionContext myContext,
-        Document factoryDocument)
-  {
-    final String WHICH_CLASSNAME = "org.apache.env.Which";
-    final String WHICH_METHODNAME = "which";
-    final Class WHICH_METHOD_ARGS[] = { java.util.Hashtable.class,
-                                        java.lang.String.class,
-                                        java.lang.String.class };
-    try
-    {
-      // Use reflection to try to find xml-commons utility 'Which'
-      Class clazz = ObjectFactory.findProviderClass(WHICH_CLASSNAME, true);
-      if (null == clazz)
-        return null;
-
-      // Fully qualify names since this is the only method they're used in
-      java.lang.reflect.Method method = clazz.getMethod(WHICH_METHODNAME, WHICH_METHOD_ARGS);
-      Hashtable report = new Hashtable();
-
-      // Call the method with our Hashtable, common options, and ignore return value
-      Object[] methodArgs = { report, "XmlCommons;Xalan;Xerces;Crimson;Ant", "" };
-      Object returnValue = method.invoke(null, methodArgs);
-
-      // Create a parent to hold the report and append hash to it
-      Node resultNode = factoryDocument.createElement("checkEnvironmentExtension");
-      com.sun.org.apache.xml.internal.utils.Hashtree2Node.appendHashToNode(report, "whichReport",
-            resultNode, factoryDocument);
-
-      return resultNode;
-    }
-    catch (Throwable t)
-    {
-      // Simply return null; no need to report error
-      return null;
-    }
-  }
-
     /**
    * @return an instance of DOM Document
      */