001    /*
002     * Copyright (C) 2012 eXo Platform SAS.
003     *
004     * This is free software; you can redistribute it and/or modify it
005     * under the terms of the GNU Lesser General Public License as
006     * published by the Free Software Foundation; either version 2.1 of
007     * the License, or (at your option) any later version.
008     *
009     * This software is distributed in the hope that it will be useful,
010     * but WITHOUT ANY WARRANTY; without even the implied warranty of
011     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012     * Lesser General Public License for more details.
013     *
014     * You should have received a copy of the GNU Lesser General Public
015     * License along with this software; if not, write to the Free
016     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018     */
019    
020    package org.crsh.shell.impl.command;
021    
022    import org.crsh.io.Filter;
023    import org.crsh.io.ProducerContext;
024    
025    import java.io.IOException;
026    import java.util.Map;
027    
028    class SinkPipeFilter<P> implements Filter<Object, P> {
029    
030      /** . */
031      private Filter<P, ?> context;
032    
033      /** . */
034      private final Class<P> producedType;
035    
036      SinkPipeFilter(Class<P> producedType) {
037        this.producedType = producedType;
038      }
039    
040      public Map<String, Object> getSession() {
041        return context.getSession();
042      }
043    
044      public Map<String, Object> getAttributes() {
045        return context.getAttributes();
046      }
047    
048      public Class<P> getProducedType() {
049        return producedType;
050      }
051    
052      public void setPiped(boolean piped) {
053      }
054    
055      public void open(ProducerContext<P> context) {
056        this.context = (Filter<P, ?>)context;
057      }
058    
059      public void close() {
060        context.close();
061      }
062    
063      public String getProperty(String propertyName) {
064        return context.getProperty(propertyName);
065      }
066    
067      public String readLine(String msg, boolean echo) {
068        return context.readLine(msg, echo);
069      }
070    
071      public int getWidth() {
072        return context.getWidth();
073      }
074    
075      public int getHeight() {
076        return context.getHeight();
077      }
078    
079      public void provide(Object element) throws IOException {
080      }
081    
082      public Class<Object> getConsumedType() {
083        return Object.class;
084      }
085    
086      public void flush() throws IOException {
087        context.flush();
088      }
089    }