org.springframework.tooling.jdt.ls.extension.JavaLocationHandler.java Source code

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Here is the source code for org.springframework.tooling.jdt.ls.extension.JavaLocationHandler.java

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/*******************************************************************************
 * Copyright (c) 2019 Pivotal, 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
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pivotal, Inc. - initial API and implementation
 *******************************************************************************/
package org.springframework.tooling.jdt.ls.extension;

import java.net.URI;
import java.util.List;
import java.util.Map;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.IClassFile;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.ls.core.internal.IDelegateCommandHandler;
import org.eclipse.jdt.ls.core.internal.JDTUtils;
import org.eclipse.lsp4j.Location;
import org.springframework.tooling.jdt.ls.commons.java.JavaData;

@SuppressWarnings("restriction")
public class JavaLocationHandler implements IDelegateCommandHandler {

    @SuppressWarnings("unchecked")
    @Override
    public Object executeCommand(String commandId, List<Object> arguments, IProgressMonitor monitor)
            throws Exception {
        Location location = null;
        Map<String, Object> obj = (Map<String, Object>) arguments.get(0);
        String uri = (String) obj.get("projectUri");
        URI projectUri = URI.create(uri);
        String bindingKey = (String) obj.get("bindingKey");
        Boolean lookInOtherProjects = (Boolean) obj.get("lookInOtherProjects");
        IJavaElement element = JavaData.findElement(projectUri, bindingKey, lookInOtherProjects);
        if (element != null) {
            location = JDTUtils.toLocation(element);
            if (location == null) {
                IClassFile cf = (IClassFile) element.getAncestor(IJavaElement.CLASS_FILE);
                if (cf != null) {
                    location = JDTUtils.toLocation(cf);
                }
            }
        }
        return location;
    }

}