org.eclipse.che.plugin.java.server.JavaReconcileRequestHandler.java Source code

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Here is the source code for org.eclipse.che.plugin.java.server.JavaReconcileRequestHandler.java

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/*
 * Copyright (c) 2012-2017 Red Hat, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Red Hat, Inc. - initial API and implementation
 */
package org.eclipse.che.plugin.java.server;

import static java.lang.String.format;

import com.google.inject.Inject;
import org.eclipse.che.api.core.jsonrpc.commons.JsonRpcException;
import org.eclipse.che.api.core.jsonrpc.commons.RequestHandlerConfigurator;
import org.eclipse.che.ide.ext.java.shared.dto.JavaClassInfo;
import org.eclipse.che.ide.ext.java.shared.dto.ReconcileResult;
import org.eclipse.che.jdt.javaeditor.JavaReconciler;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.core.JavaModel;
import org.eclipse.jdt.internal.core.JavaModelManager;

/**
 * Receives requests on reconcile operations from client side.
 *
 * @author Roman Nikitenko
 */
public class JavaReconcileRequestHandler {
    private static final String INCOMING_METHOD = "request:java-reconcile";
    private static final JavaModel JAVA_MODEL = JavaModelManager.getJavaModelManager().getJavaModel();

    @Inject
    private JavaReconciler reconciler;

    @Inject
    public void configureHandler(RequestHandlerConfigurator configurator) {
        configurator.newConfiguration().methodName(INCOMING_METHOD).paramsAsDto(JavaClassInfo.class)
                .resultAsDto(ReconcileResult.class).withFunction(this::getReconcileOperation);
    }

    private ReconcileResult getReconcileOperation(JavaClassInfo javaClassInfo) {
        IJavaProject javaProject = JAVA_MODEL.getJavaProject(javaClassInfo.getProjectPath());
        try {
            return reconciler.reconcile(javaProject, javaClassInfo.getFQN());
        } catch (JavaModelException e) {
            String error = format("Can't reconcile class: %s in project: %s, the reason is %s",
                    javaClassInfo.getFQN(), javaProject.getPath().toOSString(), e.getLocalizedMessage());
            throw new JsonRpcException(500, error);
        }
    }
}