/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.plugin.java.server.rest;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.eclipse.che.api.core.NotFoundException;
import org.eclipse.che.ide.ext.java.shared.dto.Change;
import org.eclipse.che.ide.ext.java.shared.dto.ConflictImportDTO;
import org.eclipse.che.ide.ext.java.shared.dto.OrganizeImportResult;
import org.eclipse.che.ide.ext.java.shared.dto.Problem;
import org.eclipse.che.ide.ext.java.shared.dto.ProposalApplyResult;
import org.eclipse.che.ide.ext.java.shared.dto.Proposals;
import org.eclipse.che.plugin.java.server.CodeAssist;
import org.eclipse.core.runtime.CoreException;
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;
import org.eclipse.jdt.internal.corext.format.Formatter;
import org.eclipse.jface.text.BadLocationException;
import javax.inject.Inject;
import javax.ws.rs.Consumes;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.UriInfo;
import java.util.List;
/**
* @author Evgen Vidolob
*/
@Path("java/code-assist")
public class CodeAssistService {
private static final JavaModel model = JavaModelManager.getJavaModelManager().getJavaModel();
@Inject
private CodeAssist codeAssist;
@Inject
private Formatter formatter;
@POST
@Path("compute/completion")
@Produces("application/json")
public Proposals computeCompletionProposals(@QueryParam("projectpath") String projectPath,
@QueryParam("fqn") String fqn,
@QueryParam("offset") int offset, String content) throws JavaModelException {
IJavaProject javaProject = model.getJavaProject(projectPath);
return codeAssist.computeProposals(javaProject, fqn, offset, content);
}
@GET
@Path("apply/completion")
@Produces("application/json")
public ProposalApplyResult applyCompletion(@QueryParam("sessionid") String sessionId,
@QueryParam("index") int index,
@DefaultValue("true") @QueryParam("insert") boolean insert) {
return codeAssist.applyCompletion(sessionId, index, insert);
}
@POST
@Path("compute/assist")
@Produces("application/json")
@Consumes("application/json")
public Proposals computeAssistProposals(@QueryParam("projectpath") String projectPath,
@QueryParam("fqn") String fqn,
@QueryParam("offset") int offset,
List<Problem> problems) throws CoreException {
IJavaProject javaProject = model.getJavaProject(projectPath);
return codeAssist.computeAssistProposals(javaProject, fqn, offset, problems);
}
@GET
@Produces("text/html")
@Path("compute/info")
public String getJavaDoc(@QueryParam("sessionid") String sessionId,
@QueryParam("index") int index, @Context UriInfo uriInfo) {
return codeAssist.getJavaDoc(sessionId, index);
}
/**
* Organizes the imports of a compilation unit.
*
* @param projectPath
* path to the project
* @param fqn
* fully qualified name of the java file
* @return list of imports which have conflicts
*/
@POST
@Path("/organize-imports")
@Produces({MediaType.APPLICATION_JSON})
public OrganizeImportResult organizeImports(@QueryParam("projectpath") String projectPath,
@QueryParam("fqn") String fqn) throws NotFoundException,
CoreException,
BadLocationException {
IJavaProject project = model.getJavaProject(projectPath);
return codeAssist.organizeImports(project, fqn);
}
/**
* Applies chosen imports after resolving conflicts.
*
* @param projectPath
* path to the project
* @param fqn
* fully qualified name of the java file
* @param chosen
* @return list of document changes
*/
@POST
@Path("/apply-imports")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public List<Change> applyChosenImports(@QueryParam("projectpath") String projectPath,
@QueryParam("fqn") String fqn,
ConflictImportDTO chosen) throws NotFoundException,
CoreException,
BadLocationException {
IJavaProject project = model.getJavaProject(projectPath);
return codeAssist.applyChosenImports(project, fqn, chosen.getTypeMatches());
}
@POST
@Path("/format")
@Consumes(MediaType.TEXT_PLAIN)
@Produces({MediaType.APPLICATION_JSON})
@ApiOperation(value = "Creates edits that describe how to format the given string")
public List<Change> getFormatChanges(@ApiParam(value = "The given offset to start recording the edits (inclusive)")
@QueryParam("offset") int offset,
@ApiParam(value = "The given length to stop recording the edits (exclusive)")
@QueryParam("length") int length,
@ApiParam(value = "The content to format. Java code formatting is supported only")
final String content) throws BadLocationException, IllegalArgumentException {
return formatter.getFormatChanges(content, offset, length);
}
}