001 // Copyright 2004, 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.tapestry.resolver; 016 017 import org.apache.tapestry.INamespace; 018 import org.apache.tapestry.IRequestCycle; 019 import org.apache.tapestry.spec.IComponentSpecification; 020 021 /** 022 * Service interface for locating a page specification given its name. 023 * 024 * @author Howard Lewis Ship 025 * @since 4.0 026 */ 027 public interface PageSpecificationResolver 028 { 029 /** 030 * Resolve the name (which may have a library id prefix) to a namespace (see 031 * {@link #getNamespace()}) and a specification (see {@link #getSpecification()}). 032 * 033 * @throws org.apache.tapestry.PageNotFoundException 034 * if the name cannot be resolved to the name of a page 035 */ 036 public void resolve(IRequestCycle cycle, String prefixedName); 037 038 /** 039 * Returns just the name of the page, unqualified by any namespace. 040 */ 041 public String getSimplePageName(); 042 043 /** 044 * Returns the namespace containing the page. 045 */ 046 public INamespace getNamespace(); 047 048 /** 049 * Returns the specification for the page. 050 */ 051 public IComponentSpecification getSpecification(); 052 }