taverna-wsdl-activity-ui/src/main/java/net/sf/taverna/t2/activities/wsdl/servicedescriptions/WSDLServiceDescription.java

/*********************************************************************
 * Copyright (C) 2007-2009 The University of Manchester
 *
 *  Modifications to the initial code base are copyright of their
 *  respective authors, or their employers as appropriate.
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1 of
 *  the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 **********************************************************************/
package net.sf.taverna.t2.activities.wsdl.servicedescriptions;

import java.net.URI;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import javax.swing.Icon;

import net.sf.taverna.t2.security.credentialmanager.CMException;
import net.sf.taverna.t2.security.credentialmanager.CredentialManager;
import net.sf.taverna.t2.servicedescriptions.ServiceDescription;

import org.apache.log4j.Logger;

import uk.org.taverna.scufl2.api.configurations.Configuration;

import com.fasterxml.jackson.databind.node.ObjectNode;

public class WSDLServiceDescription extends ServiceDescription {

	public static final URI ACTIVITY_TYPE = URI.create("http://ns.taverna.org.uk/2010/activity/wsdl");
	public static final URI INPUT_SPLITTER_TYPE = URI.create("http://ns.taverna.org.uk/2010/activity/xml-splitter/in");
	public static final URI OUTPUT_SPLITTER_TYPE = URI.create("http://ns.taverna.org.uk/2010/activity/xml-splitter/out");

	private static final String WSDL = "WSDL @ ";

	private String use;
	private URI uri;
	private String style;
	private String operation;
	private final CredentialManager credentialManager;

	private static Logger logger = Logger.getLogger(WSDLServiceDescription.class);

	public WSDLServiceDescription(CredentialManager credentialManager) {
		this.credentialManager = credentialManager;
	}

	public String getUse() {
		return use;
	}

	public void setUse(String use) {
		this.use = use;
	}

	public URI getURI() {
		return uri;
	}

	public void setURI(URI url) {
		this.uri = url;
	}

	public String getStyle() {
		return style;
	}

	public void setStyle(String style) {
		this.style = style;
	}

	public String getType() {
		return "WSDL";
	}

	@Override
	public String toString() {
		return operation;
	}

	public String getOperation() {
		return operation;
	}

	public void setOperation(String operation) {
		this.operation = operation;
	}

	public Icon getIcon() {
		return WSDLActivityIcon.getWSDLIcon();
	}

	@Override
	public URI getActivityType() {
		return ACTIVITY_TYPE;
	}

	@Override
	public Configuration getActivityConfiguration() {
		Configuration configuration = new Configuration();
		configuration.setType(ACTIVITY_TYPE.resolve("#Config"));
		ObjectNode json = (ObjectNode) configuration.getJson();
		ObjectNode operation = json.objectNode();
		json.put("operation", operation);
		operation.put("wsdl", getURI().toString());
		operation.put("name", getOperation());
		return configuration;
	}

	public String getName() {
		return getOperation();
	}

	public List<? extends Comparable<?>> getPath() {
		return Collections.singletonList(WSDL + getURI());
	}

	protected List<Object> getIdentifyingData() {
		return Arrays.<Object> asList(getURI(), getOperation());
	}

	@Override
	public boolean isTemplateService() {
		return needsSecurity();
	}

	protected boolean needsSecurity() {
		if (credentialManager == null) {
			// We don't know if it needs security or not
			return false;
		}
		// A match is a good indicator that security configuration is needed
		try {
			return credentialManager.hasUsernamePasswordForService(getURI());
		} catch (CMException e) {
			logger.warn("Could not check if credential manager has username/password for " + getURI(), e);
			return false;
		}
	}


}