Made a object to model imports.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269154 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/components/model/Import.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.myrmidon.components.model;
+
+/**
+ * Imports in a build file.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class Import
+{
+    //Name of library (this is location independent)
+    private final String    m_library;
+
+    //Do we need this??
+    //private final String    m_namespace;
+
+    //The type to be imported from library
+    private final String    m_type;
+
+    //The name of type instance
+    private final String    m_name;
+
+    public Import( final String library )
+    {
+        this( library, null, null );
+    }
+
+    public Import( final String library, final String type, final String name )
+    {
+        m_library = library;
+        m_type = type;
+        m_name = name;
+       
+        //If only one of name or type is null, throw an exception
+        if( null == m_type || null == m_name )
+        {
+            if( null != m_type || null != m_name )
+            {
+                throw new IllegalArgumentException( "Can not have an import that specifies " +
+                                                    "only one of name or type" );
+            }
+        }
+    }
+
+    /**
+     * Get type
+     *
+     * @return the type
+     */
+    public final String getType()
+    {
+        return m_type;
+    }
+
+    /**
+     * Get name of imported 
+     *
+     * @return the name
+     */
+    public final String getName()
+    {
+        return m_name;
+    }
+
+    /**
+     * Get name of library 
+     *
+     * @return the library name
+     */
+    public final String getLibrary()
+    {
+        return m_library;
+    }
+}
+
+