org.openqa.selenium.firefox.ClasspathExtension.java Source code

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Here is the source code for org.openqa.selenium.firefox.ClasspathExtension.java

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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you 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 org.openqa.selenium.firefox;

import com.google.common.io.Resources;

import org.openqa.selenium.WebDriverException;
import org.openqa.selenium.io.FileHandler;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URL;

public class ClasspathExtension implements Extension {
    private final Class<?> loadResourcesUsing;
    private final String loadFrom;

    public ClasspathExtension(Class<?> loadResourcesUsing, String loadFrom) {
        this.loadResourcesUsing = loadResourcesUsing;
        this.loadFrom = loadFrom;
    }

    @Override
    public void writeTo(File extensionsDir) throws IOException {
        if (!FileHandler.isZipped(loadFrom)) {
            throw new WebDriverException("Will only install zipped extensions for now");
        }

        File holdingPen = new File(extensionsDir, "webdriver-staging");
        FileHandler.createDir(holdingPen);

        File extractedXpi = new File(holdingPen, loadFrom);
        File parentDir = extractedXpi.getParentFile();
        if (!parentDir.exists()) {
            parentDir.mkdirs();
        }

        URL resourceUrl = Resources.getResource(loadResourcesUsing, loadFrom);

        try (OutputStream stream = new FileOutputStream(extractedXpi)) {
            Resources.copy(resourceUrl, stream);
        }
        new FileExtension(extractedXpi).writeTo(extensionsDir);
    }
}