| // Copyright 2006, 2010, 2011, 2012, 2014 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| package org.apache.tapestry5.services; |
| |
| import org.apache.tapestry5.ioc.internal.util.InternalUtils; |
| |
| /** |
| * Used to configure the {@link ComponentClassResolver}, to allow it to map library names to library root packages (the |
| * application namespace is a special case of this). In each case, a prefix on the path is mapped to a package. |
| * <p/> |
| * The root package name should have a number of sub-packages: |
| * <dl> |
| * <dt>pages</dt> |
| * <dd>contains named pages</dd> |
| * <dt>components</dt> |
| * <dd>contains components</dd> |
| * <dt>mixins</dt> |
| * <dd>contains component mixins</dd> |
| * <dt>base</dt> |
| * <dd>contains base classes</dd> |
| * </dl> |
| * <p> |
| * @see ComponentLibraryInfo |
| */ |
| public final class LibraryMapping |
| { |
| public final String libraryName, rootPackage; |
| |
| /** |
| * Identifies the root package of a library. The application has uses the library name "" (the empty string). |
| * The special library "core" is all the built-in components. |
| * <p/> |
| * The library name is sometimes referred to as the "path prefix" or the "virtual folder name". This is for historical |
| * reasons, as the concept of a library and how it was defined and managed evolved from release to release. |
| * <p/> |
| * The library name should be alpha numeric, and directly encodable into a URL. It may contain slashes (though this is not |
| * used often), but may not start or end with one. |
| * <p/> |
| * Note that it <em>is</em> allowed to contribute multiple LibraryMappings with the library name to the |
| * {@link ComponentClassResolver}, and the results are merged: the single library will have multiple root packages. |
| * Be careful that <em>none</em> of the root packages overlap! |
| * |
| * @param libraryName |
| * the unique identifier for the library. |
| * @param rootPackage |
| * the root package to search for classes; sub-packages will include ".pages", ".components", etc. |
| */ |
| public LibraryMapping(String libraryName, String rootPackage) |
| { |
| assert libraryName != null; |
| assert InternalUtils.isNonBlank(rootPackage); |
| |
| if (libraryName.startsWith("/") || libraryName.endsWith("/")) |
| { |
| throw new IllegalArgumentException( |
| "Library names may not start with or end with a slash."); |
| } |
| |
| this.libraryName = libraryName; |
| this.rootPackage = rootPackage; |
| } |
| |
| /** |
| * Returns the library name; the method is oddly named for historical reasons. The library name is sometimes |
| * referred to as the virtual folder name. |
| * |
| * @deprecated In 5.4, use {@link #getLibraryName()} instead. |
| */ |
| public String getPathPrefix() |
| { |
| return libraryName; |
| } |
| |
| public String getRootPackage() |
| { |
| return rootPackage; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return String.format("LibraryMapping[%s, %s]", libraryName, rootPackage); |
| } |
| |
| } |