001/*
002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Thierry Delprat <tdelprat@nuxeo.com>
018 */
019package org.nuxeo.automation.scripting.internals;
020
021import java.util.Collections;
022import java.util.HashMap;
023import java.util.List;
024import java.util.Map;
025
026import org.nuxeo.ecm.automation.AutomationService;
027import org.nuxeo.ecm.automation.OperationContext;
028import org.nuxeo.ecm.automation.OperationDocumentation;
029import org.nuxeo.ecm.automation.OperationException;
030import org.nuxeo.ecm.automation.OperationType;
031import org.nuxeo.ecm.automation.core.impl.InvokableMethod;
032
033/**
034 * @since 7.2
035 */
036public class ScriptingOperationTypeImpl implements OperationType {
037
038    protected final AutomationScriptingServiceImpl scripting;
039
040    protected final AutomationService automation;
041
042    protected final ScriptingOperationDescriptor desc;
043
044    protected final InvokableMethod method = runMethod();
045
046    public ScriptingOperationTypeImpl(AutomationScriptingServiceImpl scripting, AutomationService automation,
047            ScriptingOperationDescriptor desc) {
048        this.scripting = scripting;
049        this.automation = automation;
050        this.desc = desc;
051    }
052
053    @Override
054    public String getContributingComponent() {
055        return "org.nuxeo.automation.scripting.internals.AutomationScriptingComponent";
056    }
057
058    @Override
059    public OperationDocumentation getDocumentation() {
060        OperationDocumentation doc = new OperationDocumentation(getId());
061        doc.label = getId();
062        doc.category = desc.getCategory();
063        doc.description = desc.getDescription();
064        doc.params = desc.getParams();
065        doc.signature = new String[] { desc.getInputType(), desc.getOutputType() };
066        doc.aliases = desc.getAliases();
067        return doc;
068    }
069
070    @Override
071    public String getId() {
072        return desc.getId();
073    }
074
075    @Override
076    public String[] getAliases() {
077        return desc.getAliases();
078    }
079
080    @Override
081    public Object newInstance(OperationContext ctx, Map<String, Object> args) throws OperationException {
082        Map<String, Object> params = new HashMap<>(args);
083        scripting.paramsInjector.inject(params, ctx, desc);
084        return new ScriptingOperationImpl(desc.source, ctx, params);
085    }
086
087    @Override
088    public Class<?> getType() {
089        return ScriptingOperationImpl.class;
090    }
091
092    @Override
093    public AutomationService getService() {
094        return automation;
095    }
096
097    @Override
098    public InvokableMethod[] getMethodsMatchingInput(Class<?> in) {
099        return new InvokableMethod[] { method };
100    }
101
102    @Override
103    public List<InvokableMethod> getMethods() {
104        return Collections.singletonList(method);
105    }
106
107    protected InvokableMethod runMethod() {
108        try {
109            return new InvokableMethod(this, ScriptingOperationImpl.class.getMethod("run"));
110        } catch (ReflectiveOperationException cause) {
111            throw new Error("Cannot reference run method of " + ScriptingOperationImpl.class);
112        }
113    }
114
115}