org.sonar.server.ws.ServletRequest.java Source code

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Here is the source code for org.sonar.server.ws.ServletRequest.java

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/*
 * SonarQube
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.server.ws;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.net.HttpHeaders;
import java.io.InputStream;
import java.util.List;
import java.util.Map;
import javax.annotation.CheckForNull;
import javax.servlet.http.HttpServletRequest;
import org.sonar.api.server.ws.internal.PartImpl;
import org.sonar.api.server.ws.internal.ValidatingRequest;
import org.sonarqube.ws.MediaTypes;

import static com.google.common.base.MoreObjects.firstNonNull;
import static java.util.Collections.emptyList;
import static java.util.Locale.ENGLISH;
import static org.apache.commons.lang.StringUtils.substringAfterLast;
import static org.apache.tomcat.util.http.fileupload.FileUploadBase.MULTIPART;

public class ServletRequest extends ValidatingRequest {

    private final HttpServletRequest source;

    static final Map<String, String> SUPPORTED_MEDIA_TYPES_BY_URL_SUFFIX = ImmutableMap.of("json", MediaTypes.JSON,
            "protobuf", MediaTypes.PROTOBUF, "text", MediaTypes.TXT);

    public ServletRequest(HttpServletRequest source) {
        this.source = source;
    }

    @Override
    public String method() {
        return source.getMethod();
    }

    @Override
    public String getMediaType() {
        return firstNonNull(mediaTypeFromUrl(source.getRequestURI()),
                firstNonNull(acceptedContentTypeInResponse(), MediaTypes.DEFAULT));
    }

    @Override
    public boolean hasParam(String key) {
        return source.getParameterMap().containsKey(key);
    }

    @Override
    protected String readParam(String key) {
        return source.getParameter(key);
    }

    @Override
    protected List<String> readMultiParam(String key) {
        String[] values = source.getParameterValues(key);
        return values == null ? emptyList() : ImmutableList.copyOf(values);
    }

    @Override
    protected InputStream readInputStreamParam(String key) {
        Part part = readPart(key);
        return (part == null) ? null : part.getInputStream();
    }

    @Override
    @CheckForNull
    public Part readPart(String key) {
        try {
            if (!isMultipartContent()) {
                return null;
            }
            javax.servlet.http.Part part = source.getPart(key);
            if (part == null || part.getSize() == 0) {
                return null;
            }
            return new PartImpl(part.getInputStream(), part.getSubmittedFileName());
        } catch (Exception e) {
            throw new IllegalStateException("Can't read file part", e);
        }
    }

    private boolean isMultipartContent() {
        String contentType = source.getContentType();
        return contentType != null && contentType.toLowerCase(ENGLISH).startsWith(MULTIPART);
    }

    @Override
    public String toString() {
        StringBuffer url = source.getRequestURL();
        String query = source.getQueryString();
        if (query != null) {
            url.append("?").append(query);
        }
        return url.toString();
    }

    @CheckForNull
    private String acceptedContentTypeInResponse() {
        return source.getHeader(HttpHeaders.ACCEPT);
    }

    @CheckForNull
    private static String mediaTypeFromUrl(String url) {
        String formatSuffix = substringAfterLast(url, ".");
        return SUPPORTED_MEDIA_TYPES_BY_URL_SUFFIX.get(formatSuffix.toLowerCase(ENGLISH));
    }

    @Override
    public String getPath() {
        return source.getRequestURI().replaceFirst(source.getContextPath(), "");
    }

}