com.googlesource.gerrit.plugins.xdocs.formatter.ImageFormatter.java Source code

Introduction

Here is the source code for com.googlesource.gerrit.plugins.xdocs.formatter.ImageFormatter.java

Source

// Copyright (C) 2015 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.googlesource.gerrit.plugins.xdocs.formatter;

import static org.apache.commons.lang.StringEscapeUtils.escapeHtml;

import com.google.gerrit.extensions.annotations.PluginName;
import com.google.gerrit.extensions.restapi.Url;
import com.google.inject.Inject;
import com.google.inject.Singleton;

import com.googlesource.gerrit.plugins.xdocs.ConfigSection;
import com.googlesource.gerrit.plugins.xdocs.XDocServlet;

import org.eclipse.jgit.lib.Constants;

import java.io.IOException;
import java.io.InputStream;

@Singleton
public class ImageFormatter implements StreamFormatter {
    public static final String NAME = "IMAGE";

    private final String pluginName;

    @Inject
    public ImageFormatter(@PluginName String pluginName) {
        this.pluginName = pluginName;
    }

    @Override
    public String format(String projectName, String path, String revision, String abbrRev, ConfigSection cfg,
            InputStream raw) throws IOException {
        return "<img src=\"" + escapeHtml(getUrl(projectName, path, revision)) + "\"/>";
    }

    private String getUrl(String projectName, String path, String revision) {
        StringBuilder url = new StringBuilder();
        url.append("/plugins/");
        url.append(pluginName);
        url.append(XDocServlet.PATH_PREFIX);
        url.append(Url.encode(projectName));
        if (revision != null && !Constants.HEAD.equals(revision)) {
            url.append("/rev/");
            url.append(Url.encode(revision));
        }
        url.append("/");
        url.append(path);
        return url.toString();
    }
}