com.gargoylesoftware.htmlunit.javascript.host.file.File Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of xlt Show documentation
XLT (Xceptance LoadTest) is an extensive load and performance test tool developed and maintained by Xceptance.
There is a newer version: 8.4.0
/*
 * Copyright (c) 2002-2021 Gargoyle Software Inc.
 *
 * 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
 * https://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.gargoylesoftware.htmlunit.javascript.host.file;

import static com.gargoylesoftware.htmlunit.javascript.configuration.SupportedBrowser.CHROME;
import static com.gargoylesoftware.htmlunit.javascript.configuration.SupportedBrowser.EDGE;
import static com.gargoylesoftware.htmlunit.javascript.configuration.SupportedBrowser.FF;
import static com.gargoylesoftware.htmlunit.javascript.configuration.SupportedBrowser.FF78;
import static com.gargoylesoftware.htmlunit.javascript.configuration.SupportedBrowser.IE;

import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.time.FastDateFormat;

import com.gargoylesoftware.htmlunit.BrowserVersion;
import com.gargoylesoftware.htmlunit.javascript.configuration.JsxClass;
import com.gargoylesoftware.htmlunit.javascript.configuration.JsxConstructor;
import com.gargoylesoftware.htmlunit.javascript.configuration.JsxFunction;
import com.gargoylesoftware.htmlunit.javascript.configuration.JsxGetter;

import net.sourceforge.htmlunit.corejs.javascript.NativeArray;
import net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime;
import net.sourceforge.htmlunit.corejs.javascript.ScriptableObject;
import net.sourceforge.htmlunit.corejs.javascript.Undefined;

/**
 * A JavaScript object for {@code File}.
 *
 * @author Ahmed Ashour
 * @author Ronald Brill
 */
@JsxClass
public class File extends Blob {
    private static final String LAST_MODIFIED_DATE_FORMAT = "EEE MMM dd yyyy HH:mm:ss 'GMT'Z (zzzz)";

    private static class FileBackend extends Backend {
        private java.io.File file_;

        FileBackend(final String pathname) {
            file_ = new java.io.File(pathname);
        }

        @Override
        public String getName() {
            return file_.getName();
        }

        @Override
        public long getLastModified() {
            return file_.lastModified();
        }

        @Override
        public long getSize() {
            return file_.length();
        }

        @Override
        public String getType(final BrowserVersion browserVersion) {
            return browserVersion.getUploadMimeType(file_);
        }

        @Override
        public String getText() throws IOException {
            return FileUtils.readFileToString(file_, StandardCharsets.UTF_8);
        }

        @Override
        public java.io.File getFile() {
            return file_;
        }

        @Override
        byte[] getBytes(final int start, final int end) {
            final byte[] result = new byte[end - start];
            try {
                System.arraycopy(FileUtils.readFileToByteArray(file_), start, result, 0, result.length);
            }
            catch (final IOException e) {
                // TODO
            }
            return result;
        }
    }

    /**
     * Prototye ctor.
     */
    public File() {
    }

    /**
     * Creates an instance.
     * @param fileBits the bits
     * @param fileName the Name
     * @param properties the properties
     */
    @JsxConstructor({CHROME, EDGE, FF, FF78})
    public File(final NativeArray fileBits, final String fileName, final ScriptableObject properties) {
        if (fileBits == null
                || Undefined.isUndefined(fileBits)
                || fileName == null
                || Undefined.isUndefined(fileName)) {
            throw ScriptRuntime.typeError("Failed to construct 'File': 2 arguments required.");
        }

        setBackend(InMemoryBackend.create(fileBits, fileName,
                            extractFileTypeOrDefault(properties),
                            extractLastModifiedOrDefault(properties)));
    }

    File(final String pathname) {
        setBackend(new FileBackend(pathname));
    }

    /**
     * Returns the {@code name} property.
     * @return the {@code name} property
     */
    @JsxGetter
    public String getName() {
        return getBackend().getName();
    }

    /**
     * Returns the {@code lastModifiedDate} property.
     * @return the {@code lastModifiedDate} property
     */
    @JsxGetter({CHROME, EDGE, IE})
    public String getLastModifiedDate() {
        final Date date = new Date(getLastModified());
        final BrowserVersion browser = getBrowserVersion();
        final Locale locale = new Locale(browser.getSystemLanguage());
        final TimeZone timezone = browser.getSystemTimezone();

        final FastDateFormat format = FastDateFormat.getInstance(LAST_MODIFIED_DATE_FORMAT, timezone, locale);
        return format.format(date);
    }

    /**
     * Returns the {@code lastModified} property.
     * @return the {@code lastModified} property
     */
    @JsxGetter({CHROME, EDGE, FF, FF78})
    public long getLastModified() {
        return getBackend().getLastModified();
    }

    /**
     * Returns the {@code webkitRelativePath} property.
     * @return the {@code webkitRelativePath} property
     */
    @JsxGetter({CHROME, EDGE, FF, FF78})
    public String getWebkitRelativePath() {
        return "";
    }

    /**
     * Slices the file.
     */
    @JsxFunction
    public void slice() {
    }

    /**
     * Closes the file.
     */
    @JsxFunction(IE)
    public void msClose() {
    }

    /**
     * Returns the underlying file.
     * @return the underlying file
     */
    public java.io.File getFile() {
        return getBackend().getFile();
    }
}