android/src/com/android/tools/idea/structure/gradle/MavenDependencyLookupDialog.java - platform/tools/adt/idea - Git at Google

 /*
  * Copyright (C) 2013 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package com.android.tools.idea.structure.gradle;

 import com.android.SdkConstants;
 import com.android.builder.model.ApiVersion;
 import com.android.ide.common.repository.GradleCoordinate;
 import com.android.sdklib.AndroidVersion;
 import com.android.tools.idea.gradle.IdeaAndroidProject;
 import com.android.tools.idea.templates.RepositoryUrlManager;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 import com.intellij.icons.AllIcons;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.DialogWrapper;
 import com.intellij.openapi.ui.TextFieldWithBrowseButton;
 import com.intellij.openapi.ui.ValidationInfo;
 import com.intellij.openapi.util.Disposer;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.ui.CollectionComboBoxModel;
 import com.intellij.ui.components.JBList;
 import com.intellij.util.io.HttpRequests;
 import com.intellij.util.ui.AsyncProcessIcon;
 import org.jdom.Element;
 import org.jdom.JDOMException;
 import org.jdom.input.SAXBuilder;
 import org.jdom.xpath.XPath;
 import org.jetbrains.android.facet.AndroidFacet;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.idea.maven.model.MavenArtifactInfo;
 import org.jetbrains.idea.maven.utils.MavenLog;

 import javax.swing.*;
 import javax.swing.event.ListSelectionEvent;
 import javax.swing.event.ListSelectionListener;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.io.IOException;
 import java.util.*;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;

 import static com.android.tools.idea.templates.RepositoryUrlManager.REVISION_ANY;

 public class MavenDependencyLookupDialog extends DialogWrapper {
   private static final String AAR_PACKAGING = "@" + SdkConstants.EXT_AAR;
   private static final String JAR_PACKAGING = "@" + SdkConstants.EXT_JAR;
   private static final int RESULT_LIMIT = 50;
   private static final String MAVEN_CENTRAL_SEARCH_URL = "https://search.maven.org/solrsearch/select?rows=%d&wt=xml&q=\"%s\"";
   private static final Logger LOG = Logger.getInstance(MavenDependencyLookupDialog.class);

   /**
    * Hardcoded list of common libraries that we will show in the dialog until the user actually does a search.
    */
   private static final List<Artifact> COMMON_LIBRARIES = ImmutableList.of(
     new Artifact("com.google.code.gson", "gson", "2.2.4", "GSON"),
     new Artifact("joda-time", "joda-time", "2.3", "Joda-time"),
     new Artifact("com.squareup.picasso", "picasso", "2.3.2", "Picasso"),
     new Artifact("com.squareup", "otto", "1.3.5", "Otto"),
     new Artifact("org.slf4j", "slf4j-android", "1.7.7", "slf4j"),
     new Artifact("de.keyboardsurfer.android.widget", "crouton", "1.8.4", "Crouton"),
     new Artifact("com.nineoldandroids", "library", "2.4.0", "Nine Old Androids"),
     new Artifact("com.jakewharton", "butterknife", "5.1.1", "Butterknife"),
     new Artifact("com.google.guava", "guava", "16.0.1", "Guava"),
     new Artifact("com.squareup.okhttp", "okhttp", "2.0.0", "okhttp"),
     new Artifact("com.squareup.dagger", "dagger", "1.2.1", "Dagger")
   );

   /**
    * Hard-coded list of search rewrites to help users find common libraries.
    */
   private static final Map<String, String> SEARCH_OVERRIDES = ImmutableMap.<String, String>builder()
     .put("jodatime", "joda-time")
     .put("slf4j", "org.slf4j:slf4j-android")
     .put("slf4j-android", "org.slf4j:slf4j-android")
     .put("animation", "com.nineoldandroids:library")
     .put("pulltorefresh", "com.github.chrisbanes.actionbarpulltorefresh:library")
     .put("wire", "wire-runtime")
     .put("tape", "com.squareup:tape")
     .put("annotations", "androidannotations")
     .put("svg", "svg-android")
     .put("commons", "org.apache.commons")
     .build();

   private AsyncProcessIcon myProgressIcon;
   private TextFieldWithBrowseButton mySearchField;
   private JTextField mySearchTextField;
   private JPanel myPanel;
   private JBList myResultList;
   private final List<Artifact> myShownItems = Lists.newArrayList();
   private final ExecutorService mySearchWorker = Executors.newSingleThreadExecutor();
   private final boolean myAndroidModule;

   private final List<String> myAndroidSdkLibraries = Lists.newArrayList();

   /**
    * Wraps the MavenArtifactInfo and supplies extra descriptive information we can display.
    */
   private static class Artifact extends MavenArtifactInfo {
     private final String myDescription;

     public Artifact(@NotNull String groupId, @NotNull String artifactId, @NotNull String version, @Nullable String description) {
       //noinspection ConstantConditions
       super(groupId, artifactId, version, null, null, null, null);
       myDescription = description;
     }

     @Nullable
     public static Artifact fromCoordinate(@NotNull String libraryCoordinate, @Nullable String libraryId) {
       GradleCoordinate gradleCoordinate = GradleCoordinate.parseCoordinateString(libraryCoordinate);
       if (gradleCoordinate == null) {
         return null;
       }
       String groupId = gradleCoordinate.getGroupId();
       String artifactId = gradleCoordinate.getArtifactId();
       if (groupId == null || artifactId == null) {
         return null;
       }
       return new Artifact(groupId, artifactId, gradleCoordinate.getFullRevision(), libraryId);
     }

     @NotNull
     public String toString() {
       if (myDescription != null) {
         return myDescription + " (" + getCoordinates() + ")";
       }
       else {
         return getCoordinates();
       }
     }

     @NotNull
     public String getCoordinates() {
       String version = REVISION_ANY.equals(getVersion()) ? "" : ':' + getVersion();
       return getGroupId() + ":" + getArtifactId() + version;
     }
   }

   /**
    * Comparator for Maven artifacts that does smart ordering for search results based on a given search string
    */
   private static class ArtifactComparator implements Comparator<Artifact> {
     @NotNull private final String mySearchText;

     private ArtifactComparator(@NotNull String searchText) {
       mySearchText = searchText;
     }

     @Override
     public int compare(@NotNull Artifact artifact1, @NotNull Artifact artifact2) {
       int score = calculateScore(mySearchText, artifact2) - calculateScore(mySearchText, artifact1);
       if (score != 0) {
         return score;
       }
       else {
         return artifact2.getVersion().compareTo(artifact1.getVersion());
       }
     }

     private static int calculateScore(@NotNull String searchText, @NotNull MavenArtifactInfo artifact) {
       int score = 0;
       if (artifact.getArtifactId().equals(searchText)) {
         score++;
       }
       if (artifact.getArtifactId().contains(searchText)) {
         score++;
       }
       if (artifact.getGroupId().contains(searchText)) {
         score++;
       }
       return score;
     }
   }

   public MavenDependencyLookupDialog(@NotNull Project project, @Nullable Module module) {
     super(project, true);
     myAndroidModule = module != null && AndroidFacet.getInstance(module) != null;
     myProgressIcon.suspend();

     mySearchField.setButtonIcon(AllIcons.Actions.Menu_find);
     mySearchField.getButton().addActionListener(new ActionListener() {
       @Override
       public void actionPerformed(ActionEvent e) {
         startSearch();
       }
     });

     mySearchTextField = mySearchField.getTextField();
     mySearchTextField.addActionListener(new ActionListener() {
       @Override
       public void actionPerformed(ActionEvent actionEvent) {
         if (StringUtil.isEmpty(mySearchField.getText())) {
           return;
         }
         if (!isValidCoordinateSelected()) {
           startSearch();
         }
         else {
           close(OK_EXIT_CODE);
         }
       }
     });

     boolean preview = false;
     if (module != null) {
       AndroidFacet facet = AndroidFacet.getInstance(module);
       if (facet != null) {
         IdeaAndroidProject androidModel = facet.getAndroidModel();
         if (androidModel != null) {
           ApiVersion minSdkVersion = androidModel.getSelectedVariant().getMergedFlavor().getMinSdkVersion();
           if (minSdkVersion != null) {
             preview = new AndroidVersion(minSdkVersion.getApiLevel(), minSdkVersion.getCodename()).isPreview();
           }
         }
       }
     }

     RepositoryUrlManager manager = RepositoryUrlManager.get();
     for (String libraryId : RepositoryUrlManager.EXTRAS_REPOSITORY.keySet()) {
       String libraryCoordinate = manager.getLibraryCoordinate(libraryId, null, preview);
       if (libraryCoordinate != null) {
         Artifact artifact = Artifact.fromCoordinate(libraryCoordinate, libraryId);
         if (artifact != null) {
           myAndroidSdkLibraries.add(libraryCoordinate);
           myShownItems.add(artifact);
         }
       }
     }
     myShownItems.addAll(COMMON_LIBRARIES);
     myResultList.setModel(new CollectionComboBoxModel(myShownItems, null));
     myResultList.addListSelectionListener(new ListSelectionListener() {
       @Override
       public void valueChanged(ListSelectionEvent listSelectionEvent) {
         Artifact value = (Artifact)myResultList.getSelectedValue();
         if (value != null) {
           mySearchTextField.setText(value.getCoordinates());
         }
       }
     });
     myResultList.addMouseListener(new MouseAdapter() {
       @Override
       public void mouseClicked(MouseEvent mouseEvent) {
         if (mouseEvent.getClickCount() == 2 && isValidCoordinateSelected()) {
           close(OK_EXIT_CODE);
         }
       }
     });

     myOKAction = new OkAction() {
       @Override
       protected void doAction(ActionEvent e) {
         String text = mySearchField.getText();
         if (text != null &&
             !hasVersion(text) &&
             RepositoryUrlManager.EXTRAS_REPOSITORY.containsKey(getArtifact(text))) {
           // If it's a known library that doesn't exist in the local repository, we don't display the version for it. Add it back so that
           // final string is a valid gradle coordinate.
           mySearchField.setText(text + ':' + REVISION_ANY);
         }
         super.doAction(e);
       }
     };
     init();
   }

   private static String getArtifact(String coordinate) {
     int i = coordinate.indexOf(':');
     if (i >= 0 && i + 1 < coordinate.length()) {
       // There's at least one char after the first ':'
       coordinate = coordinate.substring(i + 1);
       i = coordinate.indexOf(':');
       if (i < 0) {
         i = coordinate.length();
       }
       return coordinate.substring(0, i);
     }
     return null;
   }

   @NotNull
   public String getSearchText() {
     return mySearchTextField.getText();
   }

   /**
    * Prepares the search string and initiates the search in a worker thread.
    */
   private void startSearch() {
     if (myProgressIcon.isRunning()) {
       return;
     }
     myProgressIcon.resume();
     synchronized (myShownItems) {
       myResultList.clearSelection();
       myShownItems.clear();
       ((CollectionComboBoxModel)myResultList.getModel()).update();
     }
     String text = mySearchTextField.getText();
     if (StringUtil.isEmpty(text)) {
       return;
     }
     String override = SEARCH_OVERRIDES.get(text.toLowerCase(Locale.US));
     if (override != null) {
       text = override;
     }
     final String finalText = text;
     mySearchWorker.submit(new Runnable() {
       @Override
       public void run() {
         searchAllRepositories(finalText);
       }
     });
   }

   /**
    * Worker thread body that performs the search against the Maven index and interprets the result set
    */
   private void searchAllRepositories(@NotNull final String text) {
     try {
       if (!myProgressIcon.isRunning()) {
         return;
       }
       List<String> results = Lists.newArrayList();
       results.addAll(searchMavenCentral(text));
       results.addAll(searchSdkRepositories(text));

       if (!myProgressIcon.isRunning()) {
         return;
       }
       synchronized (myShownItems) {
         for (String s : results) {
           Artifact wrappedArtifact = Artifact.fromCoordinate(s, null);
           if (!myShownItems.contains(wrappedArtifact)) {
             myShownItems.add(wrappedArtifact);
           }
         }

         Collections.sort(myShownItems, new ArtifactComparator(text));

         // In Android modules, if there are both @aar and @jar versions of the same artifact, hide the @jar one.
         if (myAndroidModule) {
           Set<String> itemsToRemove = Sets.newHashSet();
           for (Artifact art : myShownItems) {
             String s = art.getCoordinates();
             if (s.endsWith(AAR_PACKAGING)) {
               itemsToRemove.add(s.replace(AAR_PACKAGING, JAR_PACKAGING));
             }
           }
           for (Iterator<Artifact> i = myShownItems.iterator(); i.hasNext(); ) {
             Artifact art = i.next();
             if (itemsToRemove.contains(art.getCoordinates())) {
               i.remove();
             }
           }
         }
       }

       /**
        * Update the UI in the Swing UI thread
        */
       SwingUtilities.invokeLater(new Runnable() {
         @Override
         public void run() {
           synchronized (myShownItems) {
             ((CollectionComboBoxModel)myResultList.getModel()).update();
             if (myResultList.getSelectedIndex() == -1 && !myShownItems.isEmpty()) {
               myResultList.setSelectedIndex(0);
             }
             if (!myShownItems.isEmpty()) {
               myResultList.requestFocus();
             }
           }
         }
       });
     } catch (Exception e) {
       MavenLog.LOG.error(e);
     }
     finally {
       myProgressIcon.suspend();
     }
   }

   @NotNull
   private List<String> searchSdkRepositories(@NotNull String text) {
     List<String> results = Lists.newArrayList();
     for (String library : myAndroidSdkLibraries) {
       if (library.contains(text)) {
         results.add(library);
       }
     }
     return results;
   }

   @NotNull
   private static List<String> searchMavenCentral(@NotNull String text) {
     return HttpRequests.request(String.format(MAVEN_CENTRAL_SEARCH_URL, RESULT_LIMIT, text))
       .accept("application/xml")
       .connect(new HttpRequests.RequestProcessor<List<String>>() {
         @Override
         public List<String> process(@NotNull HttpRequests.Request request) throws IOException {
           try {
             XPath idPath = XPath.newInstance("str[@name='id']");
             XPath versionPath = XPath.newInstance("str[@name='latestVersion']");
             //noinspection unchecked
             List<Element> artifacts = (List<Element>)XPath.newInstance("/response/result/doc").selectNodes(new SAXBuilder().build(request.getReader()));
             List<String> results = Lists.newArrayListWithExpectedSize(artifacts.size());
             for (Element element : artifacts) {
               try {
                 String id = ((Element)idPath.selectSingleNode(element)).getValue();
                 results.add(id + ":" + ((Element)versionPath.selectSingleNode(element)).getValue());
               }
               catch (NullPointerException ignored) {
                 // A result is missing an ID or version. Just skip it.
               }
             }
             return results;
           }
           catch (JDOMException e) {
             LOG.error(e);
           }
           return Collections.emptyList();
         }
       }, Collections.<String>emptyList(), LOG);
   }

   @Override
   public JComponent getPreferredFocusedComponent() {
     return mySearchTextField;
   }

   @Override
   @Nullable
   protected ValidationInfo doValidate() {
     if (!isValidCoordinateSelected()) {
       return new ValidationInfo("Please enter a valid coordinate, discover it or select one from the list", getPreferredFocusedComponent());
     }
     return super.doValidate();
   }

   @Override
   @NotNull
   protected JComponent createCenterPanel() {
     return myPanel;
   }

   @Override
   protected void dispose() {
     Disposer.dispose(myProgressIcon);
     mySearchWorker.shutdown();
     super.dispose();
   }

   @Override
   @NotNull
   protected String getDimensionServiceKey() {
     return MavenDependencyLookupDialog.class.getName();
   }

   private boolean isValidCoordinateSelected() {
     String text = mySearchTextField.getText();
     return GradleCoordinate.parseCoordinateString(text) != null;
   }

   private void createUIComponents() {
     myProgressIcon = new AsyncProcessIcon("Progress");
   }

   public static boolean hasVersion(String coordinateText) {
     return StringUtil.countChars(coordinateText, ':') > 1;
   }
 }
	/*
	* Copyright (C) 2013 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package com.android.tools.idea.structure.gradle;

	import com.android.SdkConstants;
	import com.android.builder.model.ApiVersion;
	import com.android.ide.common.repository.GradleCoordinate;
	import com.android.sdklib.AndroidVersion;
	import com.android.tools.idea.gradle.IdeaAndroidProject;
	import com.android.tools.idea.templates.RepositoryUrlManager;
	import com.google.common.collect.ImmutableList;
	import com.google.common.collect.ImmutableMap;
	import com.google.common.collect.Lists;
	import com.google.common.collect.Sets;
	import com.intellij.icons.AllIcons;
	import com.intellij.openapi.diagnostic.Logger;
	import com.intellij.openapi.module.Module;
	import com.intellij.openapi.project.Project;
	import com.intellij.openapi.ui.DialogWrapper;
	import com.intellij.openapi.ui.TextFieldWithBrowseButton;
	import com.intellij.openapi.ui.ValidationInfo;
	import com.intellij.openapi.util.Disposer;
	import com.intellij.openapi.util.text.StringUtil;
	import com.intellij.ui.CollectionComboBoxModel;
	import com.intellij.ui.components.JBList;
	import com.intellij.util.io.HttpRequests;
	import com.intellij.util.ui.AsyncProcessIcon;
	import org.jdom.Element;
	import org.jdom.JDOMException;
	import org.jdom.input.SAXBuilder;
	import org.jdom.xpath.XPath;
	import org.jetbrains.android.facet.AndroidFacet;
	import org.jetbrains.annotations.NotNull;
	import org.jetbrains.annotations.Nullable;
	import org.jetbrains.idea.maven.model.MavenArtifactInfo;
	import org.jetbrains.idea.maven.utils.MavenLog;

	import javax.swing.*;
	import javax.swing.event.ListSelectionEvent;
	import javax.swing.event.ListSelectionListener;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import java.awt.event.MouseAdapter;
	import java.awt.event.MouseEvent;
	import java.io.IOException;
	import java.util.*;
	import java.util.concurrent.ExecutorService;
	import java.util.concurrent.Executors;

	import static com.android.tools.idea.templates.RepositoryUrlManager.REVISION_ANY;

	public class MavenDependencyLookupDialog extends DialogWrapper {
	private static final String AAR_PACKAGING = "@" + SdkConstants.EXT_AAR;
	private static final String JAR_PACKAGING = "@" + SdkConstants.EXT_JAR;
	private static final int RESULT_LIMIT = 50;
	private static final String MAVEN_CENTRAL_SEARCH_URL = "https://search.maven.org/solrsearch/select?rows=%d&wt=xml&q=\"%s\"";
	private static final Logger LOG = Logger.getInstance(MavenDependencyLookupDialog.class);

	/**
	* Hardcoded list of common libraries that we will show in the dialog until the user actually does a search.
	*/
	private static final List<Artifact> COMMON_LIBRARIES = ImmutableList.of(
	new Artifact("com.google.code.gson", "gson", "2.2.4", "GSON"),
	new Artifact("joda-time", "joda-time", "2.3", "Joda-time"),
	new Artifact("com.squareup.picasso", "picasso", "2.3.2", "Picasso"),
	new Artifact("com.squareup", "otto", "1.3.5", "Otto"),
	new Artifact("org.slf4j", "slf4j-android", "1.7.7", "slf4j"),
	new Artifact("de.keyboardsurfer.android.widget", "crouton", "1.8.4", "Crouton"),
	new Artifact("com.nineoldandroids", "library", "2.4.0", "Nine Old Androids"),
	new Artifact("com.jakewharton", "butterknife", "5.1.1", "Butterknife"),
	new Artifact("com.google.guava", "guava", "16.0.1", "Guava"),
	new Artifact("com.squareup.okhttp", "okhttp", "2.0.0", "okhttp"),
	new Artifact("com.squareup.dagger", "dagger", "1.2.1", "Dagger")
	);

	/**
	* Hard-coded list of search rewrites to help users find common libraries.
	*/
	private static final Map<String, String> SEARCH_OVERRIDES = ImmutableMap.<String, String>builder()
	.put("jodatime", "joda-time")
	.put("slf4j", "org.slf4j:slf4j-android")
	.put("slf4j-android", "org.slf4j:slf4j-android")
	.put("animation", "com.nineoldandroids:library")
	.put("pulltorefresh", "com.github.chrisbanes.actionbarpulltorefresh:library")
	.put("wire", "wire-runtime")
	.put("tape", "com.squareup:tape")
	.put("annotations", "androidannotations")
	.put("svg", "svg-android")
	.put("commons", "org.apache.commons")
	.build();

	private AsyncProcessIcon myProgressIcon;
	private TextFieldWithBrowseButton mySearchField;
	private JTextField mySearchTextField;
	private JPanel myPanel;
	private JBList myResultList;
	private final List<Artifact> myShownItems = Lists.newArrayList();
	private final ExecutorService mySearchWorker = Executors.newSingleThreadExecutor();
	private final boolean myAndroidModule;

	private final List<String> myAndroidSdkLibraries = Lists.newArrayList();

	/**
	* Wraps the MavenArtifactInfo and supplies extra descriptive information we can display.
	*/
	private static class Artifact extends MavenArtifactInfo {
	private final String myDescription;

	public Artifact(@NotNull String groupId, @NotNull String artifactId, @NotNull String version, @Nullable String description) {
	//noinspection ConstantConditions
	super(groupId, artifactId, version, null, null, null, null);
	myDescription = description;
	}

	@Nullable
	public static Artifact fromCoordinate(@NotNull String libraryCoordinate, @Nullable String libraryId) {
	GradleCoordinate gradleCoordinate = GradleCoordinate.parseCoordinateString(libraryCoordinate);
	if (gradleCoordinate == null) {
	return null;
	}
	String groupId = gradleCoordinate.getGroupId();
	String artifactId = gradleCoordinate.getArtifactId();
	if (groupId == null \|\| artifactId == null) {
	return null;
	}
	return new Artifact(groupId, artifactId, gradleCoordinate.getFullRevision(), libraryId);
	}

	@NotNull
	public String toString() {
	if (myDescription != null) {
	return myDescription + " (" + getCoordinates() + ")";
	}
	else {
	return getCoordinates();
	}
	}

	@NotNull
	public String getCoordinates() {
	String version = REVISION_ANY.equals(getVersion()) ? "" : ':' + getVersion();
	return getGroupId() + ":" + getArtifactId() + version;
	}
	}

	/**
	* Comparator for Maven artifacts that does smart ordering for search results based on a given search string
	*/
	private static class ArtifactComparator implements Comparator<Artifact> {
	@NotNull private final String mySearchText;

	private ArtifactComparator(@NotNull String searchText) {
	mySearchText = searchText;
	}

	@Override
	public int compare(@NotNull Artifact artifact1, @NotNull Artifact artifact2) {
	int score = calculateScore(mySearchText, artifact2) - calculateScore(mySearchText, artifact1);
	if (score != 0) {
	return score;
	}
	else {
	return artifact2.getVersion().compareTo(artifact1.getVersion());
	}
	}

	private static int calculateScore(@NotNull String searchText, @NotNull MavenArtifactInfo artifact) {
	int score = 0;
	if (artifact.getArtifactId().equals(searchText)) {
	score++;
	}
	if (artifact.getArtifactId().contains(searchText)) {
	score++;
	}
	if (artifact.getGroupId().contains(searchText)) {
	score++;
	}
	return score;
	}
	}

	public MavenDependencyLookupDialog(@NotNull Project project, @Nullable Module module) {
	super(project, true);
	myAndroidModule = module != null && AndroidFacet.getInstance(module) != null;
	myProgressIcon.suspend();

	mySearchField.setButtonIcon(AllIcons.Actions.Menu_find);
	mySearchField.getButton().addActionListener(new ActionListener() {
	@Override
	public void actionPerformed(ActionEvent e) {
	startSearch();
	}
	});

	mySearchTextField = mySearchField.getTextField();
	mySearchTextField.addActionListener(new ActionListener() {
	@Override
	public void actionPerformed(ActionEvent actionEvent) {
	if (StringUtil.isEmpty(mySearchField.getText())) {
	return;
	}
	if (!isValidCoordinateSelected()) {
	startSearch();
	}
	else {
	close(OK_EXIT_CODE);
	}
	}
	});

	boolean preview = false;
	if (module != null) {
	AndroidFacet facet = AndroidFacet.getInstance(module);
	if (facet != null) {
	IdeaAndroidProject androidModel = facet.getAndroidModel();
	if (androidModel != null) {
	ApiVersion minSdkVersion = androidModel.getSelectedVariant().getMergedFlavor().getMinSdkVersion();
	if (minSdkVersion != null) {
	preview = new AndroidVersion(minSdkVersion.getApiLevel(), minSdkVersion.getCodename()).isPreview();
	}
	}
	}
	}

	RepositoryUrlManager manager = RepositoryUrlManager.get();
	for (String libraryId : RepositoryUrlManager.EXTRAS_REPOSITORY.keySet()) {
	String libraryCoordinate = manager.getLibraryCoordinate(libraryId, null, preview);
	if (libraryCoordinate != null) {
	Artifact artifact = Artifact.fromCoordinate(libraryCoordinate, libraryId);
	if (artifact != null) {
	myAndroidSdkLibraries.add(libraryCoordinate);
	myShownItems.add(artifact);
	}
	}
	}
	myShownItems.addAll(COMMON_LIBRARIES);
	myResultList.setModel(new CollectionComboBoxModel(myShownItems, null));
	myResultList.addListSelectionListener(new ListSelectionListener() {
	@Override
	public void valueChanged(ListSelectionEvent listSelectionEvent) {
	Artifact value = (Artifact)myResultList.getSelectedValue();
	if (value != null) {
	mySearchTextField.setText(value.getCoordinates());
	}
	}
	});
	myResultList.addMouseListener(new MouseAdapter() {
	@Override
	public void mouseClicked(MouseEvent mouseEvent) {
	if (mouseEvent.getClickCount() == 2 && isValidCoordinateSelected()) {
	close(OK_EXIT_CODE);
	}
	}
	});

	myOKAction = new OkAction() {
	@Override
	protected void doAction(ActionEvent e) {
	String text = mySearchField.getText();
	if (text != null &&
	!hasVersion(text) &&
	RepositoryUrlManager.EXTRAS_REPOSITORY.containsKey(getArtifact(text))) {
	// If it's a known library that doesn't exist in the local repository, we don't display the version for it. Add it back so that
	// final string is a valid gradle coordinate.
	mySearchField.setText(text + ':' + REVISION_ANY);
	}
	super.doAction(e);
	}
	};
	init();
	}

	private static String getArtifact(String coordinate) {
	int i = coordinate.indexOf(':');
	if (i >= 0 && i + 1 < coordinate.length()) {
	// There's at least one char after the first ':'
	coordinate = coordinate.substring(i + 1);
	i = coordinate.indexOf(':');
	if (i < 0) {
	i = coordinate.length();
	}
	return coordinate.substring(0, i);
	}
	return null;
	}

	@NotNull
	public String getSearchText() {
	return mySearchTextField.getText();
	}

	/**
	* Prepares the search string and initiates the search in a worker thread.
	*/
	private void startSearch() {
	if (myProgressIcon.isRunning()) {
	return;
	}
	myProgressIcon.resume();
	synchronized (myShownItems) {
	myResultList.clearSelection();
	myShownItems.clear();
	((CollectionComboBoxModel)myResultList.getModel()).update();
	}
	String text = mySearchTextField.getText();
	if (StringUtil.isEmpty(text)) {
	return;
	}
	String override = SEARCH_OVERRIDES.get(text.toLowerCase(Locale.US));
	if (override != null) {
	text = override;
	}
	final String finalText = text;
	mySearchWorker.submit(new Runnable() {
	@Override
	public void run() {
	searchAllRepositories(finalText);
	}
	});
	}

	/**
	* Worker thread body that performs the search against the Maven index and interprets the result set
	*/
	private void searchAllRepositories(@NotNull final String text) {
	try {
	if (!myProgressIcon.isRunning()) {
	return;
	}
	List<String> results = Lists.newArrayList();
	results.addAll(searchMavenCentral(text));
	results.addAll(searchSdkRepositories(text));

	if (!myProgressIcon.isRunning()) {
	return;
	}
	synchronized (myShownItems) {
	for (String s : results) {
	Artifact wrappedArtifact = Artifact.fromCoordinate(s, null);
	if (!myShownItems.contains(wrappedArtifact)) {
	myShownItems.add(wrappedArtifact);
	}
	}

	Collections.sort(myShownItems, new ArtifactComparator(text));

	// In Android modules, if there are both @aar and @jar versions of the same artifact, hide the @jar one.
	if (myAndroidModule) {
	Set<String> itemsToRemove = Sets.newHashSet();
	for (Artifact art : myShownItems) {
	String s = art.getCoordinates();
	if (s.endsWith(AAR_PACKAGING)) {
	itemsToRemove.add(s.replace(AAR_PACKAGING, JAR_PACKAGING));
	}
	}
	for (Iterator<Artifact> i = myShownItems.iterator(); i.hasNext(); ) {
	Artifact art = i.next();
	if (itemsToRemove.contains(art.getCoordinates())) {
	i.remove();
	}
	}
	}
	}

	/**
	* Update the UI in the Swing UI thread
	*/
	SwingUtilities.invokeLater(new Runnable() {
	@Override
	public void run() {
	synchronized (myShownItems) {
	((CollectionComboBoxModel)myResultList.getModel()).update();
	if (myResultList.getSelectedIndex() == -1 && !myShownItems.isEmpty()) {
	myResultList.setSelectedIndex(0);
	}
	if (!myShownItems.isEmpty()) {
	myResultList.requestFocus();
	}
	}
	}
	});
	} catch (Exception e) {
	MavenLog.LOG.error(e);
	}
	finally {
	myProgressIcon.suspend();
	}
	}

	@NotNull
	private List<String> searchSdkRepositories(@NotNull String text) {
	List<String> results = Lists.newArrayList();
	for (String library : myAndroidSdkLibraries) {
	if (library.contains(text)) {
	results.add(library);
	}
	}
	return results;
	}

	@NotNull
	private static List<String> searchMavenCentral(@NotNull String text) {
	return HttpRequests.request(String.format(MAVEN_CENTRAL_SEARCH_URL, RESULT_LIMIT, text))
	.accept("application/xml")
	.connect(new HttpRequests.RequestProcessor<List<String>>() {
	@Override
	public List<String> process(@NotNull HttpRequests.Request request) throws IOException {
	try {
	XPath idPath = XPath.newInstance("str[@name='id']");
	XPath versionPath = XPath.newInstance("str[@name='latestVersion']");
	//noinspection unchecked
	List<Element> artifacts = (List<Element>)XPath.newInstance("/response/result/doc").selectNodes(new SAXBuilder().build(request.getReader()));
	List<String> results = Lists.newArrayListWithExpectedSize(artifacts.size());
	for (Element element : artifacts) {
	try {
	String id = ((Element)idPath.selectSingleNode(element)).getValue();
	results.add(id + ":" + ((Element)versionPath.selectSingleNode(element)).getValue());
	}
	catch (NullPointerException ignored) {
	// A result is missing an ID or version. Just skip it.
	}
	}
	return results;
	}
	catch (JDOMException e) {
	LOG.error(e);
	}
	return Collections.emptyList();
	}
	}, Collections.<String>emptyList(), LOG);
	}

	@Override
	public JComponent getPreferredFocusedComponent() {
	return mySearchTextField;
	}

	@Override
	@Nullable
	protected ValidationInfo doValidate() {
	if (!isValidCoordinateSelected()) {
	return new ValidationInfo("Please enter a valid coordinate, discover it or select one from the list", getPreferredFocusedComponent());
	}
	return super.doValidate();
	}

	@Override
	@NotNull
	protected JComponent createCenterPanel() {
	return myPanel;
	}

	@Override
	protected void dispose() {
	Disposer.dispose(myProgressIcon);
	mySearchWorker.shutdown();
	super.dispose();
	}

	@Override
	@NotNull
	protected String getDimensionServiceKey() {
	return MavenDependencyLookupDialog.class.getName();
	}

	private boolean isValidCoordinateSelected() {
	String text = mySearchTextField.getText();
	return GradleCoordinate.parseCoordinateString(text) != null;
	}

	private void createUIComponents() {
	myProgressIcon = new AsyncProcessIcon("Progress");
	}

	public static boolean hasVersion(String coordinateText) {
	return StringUtil.countChars(coordinateText, ':') > 1;
	}
	}