net.sf.taverna.t2.activities.xpath.XPathActivityFactory.java Source code

Introduction

Here is the source code for net.sf.taverna.t2.activities.xpath.XPathActivityFactory.java

Source

/*******************************************************************************
 * Copyright (C) 2011 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.xpath;

import static net.sf.taverna.t2.activities.xpath.XPathActivity.IN_XML;
import static net.sf.taverna.t2.activities.xpath.XPathActivity.OUT_TEXT;
import static net.sf.taverna.t2.activities.xpath.XPathActivity.OUT_XML;

import java.io.IOException;
import java.net.URI;
import java.util.HashSet;
import java.util.Set;

import net.sf.taverna.t2.workflowmodel.Edits;
import net.sf.taverna.t2.workflowmodel.processor.activity.ActivityConfigurationException;
import net.sf.taverna.t2.workflowmodel.processor.activity.ActivityFactory;
import net.sf.taverna.t2.workflowmodel.processor.activity.ActivityInputPort;
import net.sf.taverna.t2.workflowmodel.processor.activity.ActivityOutputPort;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * An {@link ActivityFactory} for creating <code>XPathActivity</code>.
 *
 * @author David Withers
 */
public class XPathActivityFactory implements ActivityFactory {

    private Edits edits;

    @Override
    public XPathActivity createActivity() {
        return new XPathActivity();
    }

    @Override
    public URI getActivityType() {
        return URI.create(XPathActivity.URI);
    }

    @Override
    public JsonNode getActivityConfigurationSchema() {
        ObjectMapper objectMapper = new ObjectMapper();
        try {
            return objectMapper.readTree(getClass().getResource("/schema.json"));
        } catch (IOException e) {
            return objectMapper.createObjectNode();
        }
    }

    @Override
    public Set<ActivityInputPort> getInputPorts(JsonNode configuration) throws ActivityConfigurationException {
        Set<ActivityInputPort> outputPorts = new HashSet<>();
        outputPorts.add(edits.createActivityInputPort(IN_XML, 0, true, null, String.class));
        return outputPorts;
    }

    @Override
    public Set<ActivityOutputPort> getOutputPorts(JsonNode configuration) throws ActivityConfigurationException {
        Set<ActivityOutputPort> outputPorts = new HashSet<>();
        outputPorts.add(edits.createActivityOutputPort(OUT_TEXT, 1, 1));
        outputPorts.add(edits.createActivityOutputPort(OUT_XML, 1, 1));
        return outputPorts;
    }

    public void setEdits(Edits edits) {
        this.edits = edits;
    }

}