1 files changed, 90 insertions, 0 deletions
diff --git a/bundles/org.eclipse.wst.wsi/wsitools/org/eclipse/wst/wsi/internal/wsdl/xsd/XMLCatalog.java b/bundles/org.eclipse.wst.wsi/wsitools/org/eclipse/wst/wsi/internal/wsdl/xsd/XMLCatalog.java
new file mode 100644
index 000000000..7571a226c
--- /dev/null
+++ b/bundles/org.eclipse.wst.wsi/wsitools/org/eclipse/wst/wsi/internal/wsdl/xsd/XMLCatalog.java
@@ -0,0 +1,90 @@
+/*******************************************************************************
+ * Copyright (c) 2002-2005 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 - Initial API and implementation
+ *******************************************************************************/
+package org.eclipse.wst.wsi.internal.wsdl.xsd;
+
+/**
+ * XMLCatalog
+ * This class can be used to register, obtain and delete an instance of an 
+ * XML catalog. Method definitions are provided for the catalog to set
+ * a location in the catalog and resolve an entity from the catalog.
+ * 
+ * @author Lawrence Mandel (lmandel@ca.ibm.com)
+ */
+public abstract class XMLCatalog
+{
+  private static XMLCatalog instance = null;
+  private static Class xmlcatalogclass = null;
+
+  /**
+   * Return an instance of the XML catalog. If no instance is registered,
+   * returns a default instance.
+   * 
+   * @return the instance of the XML catalog
+   */
+  public static XMLCatalog getInstance()
+  {
+    if (instance == null)
+    {
+      if (xmlcatalogclass != null)
+      {
+        try
+        {
+          instance = (XMLCatalog)xmlcatalogclass.newInstance();
+        }
+        catch (Exception e)
+        {
+          instance = new XMLCatalogImpl();
+        }
+      }
+      else
+      {
+        instance = new XMLCatalogImpl();
+      }
+    }
+    return instance;
+  }
+
+  /**
+   * Set the class of the XML catalog to be used.
+   * 
+   * @param xmlcatalog - the class of the XML catalog to be used
+   */
+  public static void setXMLCatalog(Class xmlcatalog)
+  {
+    xmlcatalogclass = xmlcatalog;
+  }
+
+  /**
+   * Resets the instance of the XML catalog to null. Allows switching XML catalogs.
+   */
+  public static void reset()
+  {
+    instance = null;
+    xmlcatalogclass = null;
+  }
+
+  /**
+   * Add a public id and a location to the catalog.
+   * 
+   * @param publicId - the public id of the entry
+   * @param systemId - the system id of the entry
+   */
+  public abstract void addEntryToCatalog(String publicId, String systemId);
+
+  /**
+   * Resolve the location of an entity given public and system ids.
+   * 
+   * @param publicId - the public id of the entity to be resolved
+   * @param systemId - the system id of the entity to be resolved
+   * @return the location of the entity
+   */
+  public abstract String resolveEntityLocation(String publicId, String systemId);
+}
+\ No newline at end of file