com.android.tools.idea.gradle.project.sync.errors.JavaHeapSpaceErrorHandler.java Source code

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Here is the source code for com.android.tools.idea.gradle.project.sync.errors.JavaHeapSpaceErrorHandler.java

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/*
 * Copyright (C) 2016 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.gradle.project.sync.errors;

import com.android.tools.idea.gradle.project.sync.hyperlink.NotificationHyperlink;
import com.android.tools.idea.gradle.project.sync.hyperlink.OpenUrlHyperlink;
import com.google.common.base.Splitter;
import com.intellij.openapi.externalSystem.service.notification.NotificationData;
import com.intellij.openapi.project.Project;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.List;

import static com.google.wireless.android.sdk.stats.AndroidStudioEvent.GradleSyncFailure.OUT_OF_MEMORY;
import static com.intellij.openapi.util.text.StringUtil.*;

// See https://code.google.com/p/android/issues/detail?id=75060
public class JavaHeapSpaceErrorHandler extends BaseSyncErrorHandler {
    @Override
    @Nullable
    protected String findErrorMessage(@NotNull Throwable rootCause, @NotNull NotificationData notification,
            @NotNull Project project) {
        String text = rootCause.getMessage();
        List<String> message = Splitter.on('\n').omitEmptyStrings().trimResults().splitToList(text);
        int lineCount = message.size();
        String firstLine = message.get(0);
        String newMsg = null;

        if (isNotEmpty(firstLine) && firstLine.endsWith("Java heap space")) {
            newMsg = firstLine + ".";
        } else if (isNotEmpty(firstLine) && lineCount > 1
                && firstLine.startsWith("Unable to start the daemon process")) {
            String cause = null;
            for (int i = 1; i < lineCount; i++) {
                String line = message.get(i);
                if ("Error occurred during initialization of VM".equals(line)) {
                    // The cause of the error is in the next line.
                    if (i < lineCount - 1) {
                        cause = message.get(i + 1);
                        break;
                    }
                }
            }
            if (cause != null && cause.startsWith("Could not reserve enough space for object heap")) {
                firstLine = trimEnd(firstLine, ".");
                if (!cause.endsWith(".")) {
                    cause += ".";
                }
                newMsg = firstLine + ": " + decapitalize(cause);
            }
        }
        if (isNotEmpty(newMsg)) {
            newMsg += "\nPlease assign more memory to Gradle in the project's gradle.properties file.\n"
                    + "For example, the following line, in the gradle.properties file, sets the maximum Java heap size to 1,024 MB:\n"
                    + "<em>org.gradle.jvmargs=-Xmx1024m</em>";
            if (rootCause instanceof OutOfMemoryError) {
                newMsg = "Out of memory: " + newMsg;
                updateUsageTracker(OUT_OF_MEMORY);
            } else {
                updateUsageTracker();
            }
            return newMsg;
        }
        return null;
    }

    @Override
    @NotNull
    protected List<NotificationHyperlink> getQuickFixHyperlinks(@NotNull NotificationData notification,
            @NotNull Project project, @NotNull String text) {
        List<NotificationHyperlink> hyperlinks = new ArrayList<>();
        hyperlinks.add(new OpenUrlHyperlink("http://www.gradle.org/docs/current/userguide/build_environment.html",
                "Read Gradle's configuration guide"));
        hyperlinks.add(
                new OpenUrlHyperlink("http://docs.oracle.com/javase/7/docs/technotes/guides/vm/gc-ergonomics.html",
                        "Read about Java's heap size"));
        return hyperlinks;
    }
}