| /** |
| * |
| * Copyright 2009-2011 Rickard Öberg AB |
| * |
| * 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.qi4j.library.rest.common.link; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.net.URLEncoder; |
| import org.qi4j.api.common.Optional; |
| import org.qi4j.api.value.ValueBuilder; |
| import org.qi4j.api.value.ValueBuilderFactory; |
| |
| /** |
| * Builder for making it easier to create LinksValue/LinkValue |
| */ |
| public class LinksBuilder<T extends LinksBuilder> |
| { |
| protected ValueBuilder<? extends Links> linksBuilder; |
| protected ValueBuilder<Link> linkBuilder; |
| protected ValueBuilderFactory vbf; |
| |
| private String path; |
| private String rel; |
| private String classes; |
| private String command; |
| |
| public LinksBuilder( ValueBuilderFactory vbf ) |
| { |
| this.vbf = vbf; |
| linksBuilder = vbf.newValueBuilder( Links.class ); |
| linkBuilder = vbf.newValueBuilder( Link.class ); |
| } |
| |
| public T path( @Optional String subPath ) |
| { |
| path = subPath; |
| |
| return (T) this; |
| } |
| |
| public T rel( String rel ) |
| { |
| this.rel = rel; |
| |
| return (T) this; |
| } |
| |
| public T classes( String classes ) |
| { |
| this.classes = classes; |
| |
| return (T) this; |
| } |
| |
| public T command( String commandName ) |
| { |
| this.command = commandName; |
| this.rel = commandName; |
| return (T) this; |
| } |
| |
| public T addLink( Link link ) |
| { |
| linksBuilder.prototype().links().get().add( link ); |
| |
| linkBuilder = vbf.newValueBuilderWithPrototype( link ); |
| |
| return (T) this; |
| } |
| |
| public T addLink( String description, String id ) |
| { |
| try |
| { |
| linkBuilder.prototype().text().set( description ); |
| linkBuilder.prototype().id().set( id ); |
| if( command != null ) |
| { |
| linkBuilder.prototype().href().set( command + "?entity=" + id ); |
| } |
| else |
| { |
| linkBuilder.prototype() |
| .href() |
| .set( ( path == null ? "" : path + "/" ) + URLEncoder.encode( id, "UTF-8" ) + "/" ); |
| } |
| linkBuilder.prototype().rel().set( rel ); |
| linkBuilder.prototype().classes().set( classes ); |
| |
| addLink( linkBuilder.newInstance() ); |
| |
| return (T) this; |
| } |
| catch( UnsupportedEncodingException e ) |
| { |
| e.printStackTrace(); |
| return (T) this; |
| } |
| } |
| |
| public T addLink( String description, String id, String rel, String href, String classes ) |
| { |
| linkBuilder.prototype().text().set( description ); |
| linkBuilder.prototype().id().set( id ); |
| linkBuilder.prototype().rel().set( rel ); |
| linkBuilder.prototype().href().set( href ); |
| linkBuilder.prototype().classes().set( classes ); |
| |
| addLink( linkBuilder.newInstance() ); |
| |
| return (T) this; |
| } |
| |
| public Links newLinks() |
| { |
| return linksBuilder.newInstance(); |
| } |
| } |