--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebServiceToolWorkflow/lib/SAWADLParser/src/javax/wadls/factory/WADLFactory.java	Tue Jun 07 18:00:50 2011 -0400
@@ -0,0 +1,183 @@
+/*
+ * (c) Copyright IBM Corp 2001, 2005 
+ */
+
+package javax.wadls.factory;
+
+import java.io.*;
+import java.util.*;
+
+import javax.wadls.*;
+import javax.wadls.xml.*;
+
+/**
+ * This abstract class defines a factory API that enables applications
+ * to obtain a WSDLFactory capable of producing new Definitions, new
+ * WSDLReaders, and new WSDLWriters.
+ * 
+ * Some ideas used here have been shamelessly copied from the
+ * wonderful JAXP and Xerces work.
+ *
+ * @author Matthew J. Duftler (duftler@us.ibm.com)
+ */
+public abstract class WADLFactory
+{
+  private static final String PROPERTY_NAME =
+    "javax.wadls.factory.WADLFactory";
+  private static final String PROPERTY_FILE_NAME =
+    "wadl.properties";
+  private static final String DEFAULT_FACTORY_IMPL_NAME =
+    "edu.uga.cs.lsdis.meteors.wadls.factory.WADLFactoryImpl";
+
+  private static String fullPropertyFileName = null;
+
+  /**
+   * Get a new instance of a WSDLFactory. This method
+   * follows (almost) the same basic sequence of steps that JAXP
+   * follows to determine the fully-qualified class name of the
+   * class which implements WSDLFactory. The steps (in order)
+   * are:
+   *<pre>
+   *  Check the javax.wsdls.factory.WSDLFactory system property.
+   *  Check the lib/wsdl.properties file in the JRE directory. The key
+   * will have the same name as the above system property.
+   *  Use the default value.
+   *</pre>
+   * Once an instance of a WSDLFactory is obtained, invoke
+   * newDefinition(), newWSDLReader(), or newWSDLWriter(), to create
+   * the desired instances.
+   */
+  public static WADLFactory newInstance() throws WADLSException
+  {
+    String factoryImplName = findFactoryImplName();
+
+    return newInstance(factoryImplName);
+  }
+
+  /**
+   * Get a new instance of a WSDLFactory. This method
+   * returns an instance of the class factoryImplName.
+   * Once an instance of a WSDLFactory is obtained, invoke
+   * newDefinition(), newWSDLReader(), or newWSDLWriter(), to create
+   * the desired instances.
+   *
+   * @param factoryImplName the fully-qualified class name of the
+   * class which provides a concrete implementation of the abstract
+   * class WSDLFactory.
+   */
+  public static WADLFactory newInstance(String factoryImplName)
+    throws WADLSException
+  {
+    if (factoryImplName != null)
+    {
+      try
+      {
+        Class cl = Class.forName(factoryImplName);
+
+        return (WADLFactory)cl.newInstance();
+      }
+      catch (Exception e)
+      {
+        /*
+          Catches:
+                   ClassNotFoundException
+                   InstantiationException
+                   IllegalAccessException
+        */
+        throw new WADLSException(WADLSException.CONFIGURATION_ERROR,
+                                "Problem instantiating factory " +
+                                "implementation.",
+                                e);
+      }
+    }
+    else
+    {
+      throw new WADLSException(WADLSException.CONFIGURATION_ERROR,
+                              "Unable to find name of factory " +
+                              "implementation.");
+    }
+  }
+
+  /**
+   * Create a new instance of a Definition.
+   */
+  public abstract Application newApplication();
+
+  /**
+   * Create a new instance of a WSDLReader.
+   */
+  public abstract WADLReader newWADLReader();
+
+  /**
+   * Create a new instance of a WSDLWriter.
+   */
+  public abstract WADLWriter newWADLWriter();
+
+
+  private static String findFactoryImplName()
+  {
+    String factoryImplName = null;
+
+    // First, check the system property.
+    try
+    {
+      factoryImplName = System.getProperty(PROPERTY_NAME);
+
+      if (factoryImplName != null)
+      {
+        return factoryImplName;
+      }
+    }
+    catch (SecurityException e)
+    {
+    }
+
+    // Second, check the properties file.
+    String propFileName = getFullPropertyFileName();
+
+    if (propFileName != null)
+    {
+      try
+      {
+        Properties properties = new Properties();
+        File propFile = new File(propFileName);
+        FileInputStream fis = new FileInputStream(propFile);
+
+        properties.load(fis);
+        fis.close();
+
+        factoryImplName = properties.getProperty(PROPERTY_NAME);
+
+        if (factoryImplName != null)
+        {
+          return factoryImplName;
+        }
+      }
+      catch (IOException e)
+      {
+      }
+    }
+
+    // Third, return the default.
+    return DEFAULT_FACTORY_IMPL_NAME;
+  }
+
+  private static String getFullPropertyFileName()
+  {
+    if (fullPropertyFileName == null)
+    {
+      try
+      {
+        String javaHome = System.getProperty("java.home");
+
+        fullPropertyFileName = javaHome + File.separator + "lib" +
+                               File.separator + PROPERTY_FILE_NAME;
+      }
+      catch (SecurityException e)
+      {
+      }
+    }
+
+    return fullPropertyFileName;
+  }
+}
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