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.operation;
020
021import java.util.Arrays;
022import java.util.Collections;
023import java.util.HashMap;
024import java.util.List;
025import java.util.Map;
026
027import org.nuxeo.automation.scripting.api.AutomationScriptingService;
028import org.nuxeo.automation.scripting.api.ScriptingException;
029import org.nuxeo.automation.scripting.internals.AutomationScriptingServiceImpl;
030import org.nuxeo.ecm.automation.AutomationService;
031import org.nuxeo.ecm.automation.OperationContext;
032import org.nuxeo.ecm.automation.OperationDocumentation;
033import org.nuxeo.ecm.automation.OperationDocumentation.Param;
034import org.nuxeo.ecm.automation.OperationException;
035import org.nuxeo.ecm.automation.OperationType;
036import org.nuxeo.ecm.automation.core.impl.InvokableMethod;
037
038/**
039 * @since 7.2
040 */
041public class ScriptingOperationTypeImpl implements OperationType {
042
043    protected final AutomationScriptingService scripting;
044
045    protected final AutomationService automation;
046
047    protected final ScriptingOperationDescriptor desc;
048
049    protected final InvokableMethod method = runMethod();
050
051    public ScriptingOperationTypeImpl(AutomationScriptingServiceImpl scripting, AutomationService automation,
052            ScriptingOperationDescriptor desc) throws ScriptingException {
053        this.scripting = scripting;
054        this.automation = automation;
055        this.desc = desc;
056    }
057
058    @Override
059    public String getContributingComponent() {
060        return "org.nuxeo.automation.scripting.internals.AutomationScriptingComponent";
061    }
062
063    @Override
064    public OperationDocumentation getDocumentation() {
065        OperationDocumentation doc = new OperationDocumentation(getId());
066        doc.label = getId();
067        doc.category = desc.getCategory();
068        doc.description = desc.getDescription();
069        doc.params = desc.getParams();
070        doc.signature = new String[] { desc.getInputType(), desc.getOutputType() };
071        doc.aliases = desc.getAliases();
072        return doc;
073    }
074
075    @Override
076    public String getId() {
077        return desc.getId();
078    }
079
080    @Override
081    public String[] getAliases() {
082        return desc.getAliases();
083    }
084
085    @Override
086    public Object newInstance(OperationContext ctx, Map<String, Object> args) throws OperationException {
087        Map<String, Object> merged = new HashMap<>(args);
088        Arrays.stream(desc.params).map(Param::getName).filter(name -> ctx.containsKey(name))
089                .forEach(name -> merged.put(name, ctx.get(name)));
090        return new ScriptingOperationImpl(desc.source, ctx, merged);
091    }
092
093    @Override
094    public Class<?> getType() {
095        return ScriptingOperationImpl.class;
096    }
097
098    @Override
099    public AutomationService getService() {
100        return automation;
101    }
102
103    @Override
104    public InvokableMethod[] getMethodsMatchingInput(Class<?> in) {
105        return new InvokableMethod[] { method };
106    }
107
108    @Override
109    public List<InvokableMethod> getMethods() {
110        return Collections.singletonList(method);
111    }
112
113    protected InvokableMethod runMethod() {
114        try {
115            return new InvokableMethod(this, ScriptingOperationImpl.class.getMethod("run"));
116        } catch (ReflectiveOperationException cause) {
117            throw new Error("Cannot reference run method of " + ScriptingOperationImpl.class);
118        }
119    }
120
121}