org.sonarlint.eclipse.ui.internal.bind.SearchEngineProvider.java Source code

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Here is the source code for org.sonarlint.eclipse.ui.internal.bind.SearchEngineProvider.java

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/*
 * SonarLint for Eclipse
 * Copyright (C) 2015-2016 SonarSource SA
 * sonarlint@sonarsource.com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonarlint.eclipse.ui.internal.bind;

import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.fieldassist.ContentProposal;
import org.eclipse.jface.fieldassist.IContentProposal;
import org.eclipse.jface.fieldassist.IContentProposalProvider;
import org.eclipse.jface.wizard.WizardPage;
import org.sonarlint.eclipse.core.internal.SonarLintCorePlugin;
import org.sonarlint.eclipse.core.internal.server.IServer;
import org.sonarsource.sonarlint.core.client.api.connected.RemoteModule;
import org.sonarsource.sonarlint.core.client.api.util.TextSearchIndex;

/**
 * This provider will search for projects on all configured SonarQube servers
 * then return a list of proposals. Because a proposal can only be a String
 * we will serialize {@link RemoteSonarProject} using {@link RemoteSonarProject#asString()}
 *
 */
public class SearchEngineProvider implements IContentProposalProvider {

    private final WizardPage parentPage;
    private final IServer server;
    private TextSearchIndex<RemoteModule> moduleIndex;

    public SearchEngineProvider(IServer server, WizardPage parentPage) {
        this.server = server;
        this.parentPage = parentPage;
    }

    public TextSearchIndex<RemoteModule> getModuleIndex() {
        if (moduleIndex == null && server.isUpdated()) {
            moduleIndex = server.getModuleIndex();
        }
        return moduleIndex;
    }

    @Override
    public IContentProposal[] getProposals(String contents, int position) {
        if (!server.isUpdated()) {
            parentPage.setMessage("Please update server first", IMessageProvider.INFORMATION);
            return new IContentProposal[0];
        }
        List<IContentProposal> list = new ArrayList<>();
        try {
            List<RemoteModule> modules = getModuleIndex().search(contents);
            for (RemoteModule m : modules) {
                RemoteSonarProject prj = new RemoteSonarProject(server.getId(), m.getKey(), m.getName());
                list.add(new ContentProposal(prj.asString(), m.getName(), prj.getDescription()));
            }
        } catch (Exception e) {
            SonarLintCorePlugin.getDefault().debug("Unable to search modules from server " + server.getId(), e);
        }
        if (!list.isEmpty()) {
            parentPage.setMessage("", IMessageProvider.NONE);
            return list.toArray(new IContentProposal[list.size()]);
        } else {
            parentPage.setMessage("No results", IMessageProvider.INFORMATION);
            return new IContentProposal[0];
        }
    }

}