org.htmlunit.attachment.Attachment 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.

The newest version!

/*
 * Copyright (c) 2002-2024 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 org.htmlunit.attachment;

import org.htmlunit.HttpHeader;
import org.htmlunit.Page;
import org.htmlunit.WebResponse;

/**
 * An attachment represents a page received from the server which contains a
 * {@code Content-Disposition=attachment} header.
 *
 * @author Bruce Chapman
 * @author Sudhan Moghe
 * @author Daniel Gredler
 * @author Ronald Brill
 */
public class Attachment {

    /** The attached page. */
    private final Page page_;

    /**
     * Creates a new attachment for the specified page.
     * @param page the attached page
     */
    public Attachment(final Page page) {
        page_ = page;
    }

    /**
     * Returns the attached page.
     * @return the attached page
     */
    public Page getPage() {
        return page_;
    }

    /**
     * Returns the attachment's filename, as suggested by the Content-Disposition
     * header, or {@code null} if no filename was suggested.
     * @return the attachment's suggested filename, or {@code null} if none was suggested
     */
    public String getSuggestedFilename() {
        final WebResponse response = page_.getWebResponse();
        final String disp = response.getResponseHeaderValue(HttpHeader.CONTENT_DISPOSITION);
        int start = disp.indexOf("filename=");
        if (start == -1) {
            return null;
        }
        start += "filename=".length();
        if (start >= disp.length()) {
            return null;
        }

        int end = disp.indexOf(';', start);
        if (end == -1) {
            end = disp.length();
        }
        if (disp.charAt(start) == '"' && disp.charAt(end - 1) == '"') {
            start++;
            end--;
        }
        return disp.substring(start, end);
    }
}