/* * Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved. * * The Sun Project JXTA(TM) Software License * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The end-user documentation included with the redistribution, if any, must * include the following acknowledgment: "This product includes software * developed by Sun Microsystems, Inc. for JXTA(TM) technology." * Alternately, this acknowledgment may appear in the software itself, if * and wherever such third-party acknowledgments normally appear. * * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must * not be used to endorse or promote products derived from this software * without prior written permission. For written permission, please contact * Project JXTA at http://www.jxta.org. * * 5. Products derived from this software may not be called "JXTA", nor may * "JXTA" appear in their name, without prior written permission of Sun. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN * MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * JXTA is a registered trademark of Sun Microsystems, Inc. in the United * States and other countries. * * Please see the license information page at : * <http://www.jxta.org/project/www/license.html> for instructions on use of * the license in source files. * * ==================================================================== * * This software consists of voluntary contributions made by many individuals * on behalf of Project JXTA. For more information on Project JXTA, please see * http://www.jxta.org. * * This license is based on the BSD license adopted by the Apache Foundation. */ package net.jxta.protocol; import net.jxta.document.Element; import net.jxta.document.ExtendableAdvertisement; import net.jxta.document.MimeMediaType; import net.jxta.document.StructuredDocument; import net.jxta.document.StructuredDocumentFactory; import net.jxta.document.StructuredDocumentUtils; import net.jxta.id.ID; /** * Describes a JXTA Pipe. A pipe is described by a pipe id and by a pipe type. * A pipe can also optionally have a name and/or a description. * * @see net.jxta.pipe.PipeService * @see <a href="https://jxta-spec.dev.java.net/nonav/JXTAProtocols.html#proto-pbp" target="_blank">JXTA Protocols Specification : Pipe Binding Protocol</a> */ public abstract class PipeAdvertisement extends ExtendableAdvertisement implements Cloneable { /** * XML tag to store the PipeID */ public static final String IdTag = "Id"; /** * XML tag to store the Pipe Type */ public static final String TypeTag = "Type"; /** * XML tag to store the name of the Pipe */ public static final String NameTag = "Name"; /** * XML tag to store the name of the Pipe */ public static final String descTag = "Desc"; private transient ID pipeId = ID.nullID; private String type = null; private String name = null; /** * Descriptive meta-data about this pipe. */ private Element description = null; /** * Returns the identifying type of this Advertisement. * * @return String the type of advertisement */ public static String getAdvertisementType() { return "jxta:PipeAdvertisement"; } /** * {@inheritDoc} */ @Override public PipeAdvertisement clone() { try { PipeAdvertisement likeMe = (PipeAdvertisement) super.clone(); likeMe.setPipeID(getPipeID()); likeMe.setType(getType()); likeMe.setName(getName()); likeMe.setDesc(getDesc()); return likeMe; } catch (CloneNotSupportedException impossible) { throw new Error("Object.clone() threw CloneNotSupportedException", impossible); } } /** * {@inheritDoc} */ @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj instanceof PipeAdvertisement) { PipeAdvertisement likeMe = (PipeAdvertisement) obj; if (!getPipeID().equals(likeMe.getPipeID())) { return false; } if (!getType().equals(likeMe.getType())) { return false; } String pipeName = getName(); if (pipeName == null ? likeMe.getName() != null : !pipeName.equals(likeMe.getName())) { return false; } String pipeDescription = getDescription(); return !(pipeDescription == null ? likeMe.getDescription() != null : pipeDescription.equals(likeMe.getDescription())); } return false; } /** * {@inheritDoc} */ @Override public int hashCode() { int result = 17; result = 37 * result + getPipeID().hashCode(); result = 37 * result + getType().hashCode(); String pipeName = getName(); if (pipeName != null) { result = 37 * result + pipeName.hashCode(); } String pipeDescription = getDescription(); if (pipeDescription != null) { result = 37 * result + pipeDescription.hashCode(); } return result; } /** * {@inheritDoc} */ @Override public final String getBaseAdvType() { return getAdvertisementType(); } /** * {@inheritDoc} * * <p/>The PipeID uniquely identifies this ADV. */ @Override public ID getID() { ID result = getPipeID(); if (null == result) { result = ID.nullID; } return result; } /** * Return the pipe ID for the pipe described by this advertisement. * * @return The pipe ID for the pipe described by this advertisement. */ public ID getPipeID() { return pipeId; } /** * Set the pipe ID for the pipe described by this advertisement. * * @param pipeId The pipe ID for the pipe described by this advertisement. */ public void setPipeID(ID pipeId) { this.pipeId = pipeId; } /** * Return the pipe type for the pipe described by this advertisement. * * @return The pipe type for the pipe described by this advertisement. */ public String getType() { return type; } /** * Set the pipe type for the pipe described by this advertisement. * * @param type The pipe type for the pipe described by this advertisement. */ public void setType(String type) { this.type = type; } /** * Return the symbolic name for the pipe described by this advertisement. * * @return String The symbolic name for the pipe described by this advertisement. */ public String getName() { return name; } /** * Set the symbolic name for the pipe described by this advertisement. * * @param name The symbolic name for the pipe described by this advertisement. */ public void setName(String name) { this.name = name; } /** * Returns the description * * @return String the description */ public String getDescription() { if (null != description) { return (String) description.getValue(); } return null; } /** * Set the description meta-data for the pipe described by this advertisement. * * @param description The description meta-data for the pipe described by this advertisement. */ public void setDescription(String description) { if (null != description) { StructuredDocument newdoc = StructuredDocumentFactory.newStructuredDocument(MimeMediaType.XMLUTF8, "Desc", description); setDesc(newdoc); } else { this.description = null; } } /** * Return the description meta-data for the pipe described by this advertisement. * * @return The description meta-data for the pipe described by this advertisement. */ public StructuredDocument getDesc() { if (null != description) { StructuredDocument newDoc = StructuredDocumentUtils.copyAsDocument(description); return newDoc; } return null; } /** * Set the description meta-data for the pipe described by this advertisement. * * @param desc The description meta-data for the pipe described by this advertisement. */ public void setDesc(Element desc) { if (null != desc) { this.description = StructuredDocumentUtils.copyAsDocument(desc); } else { this.description = null; } } }