summaryrefslogtreecommitdiffstats
path: root/src/com/gitblit/BuildSite.java
blob: 6ea8048c0f567fdf180db026e59a880b49e62e90 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
package com.gitblit;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FilenameFilter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.nio.charset.Charset;
import java.text.MessageFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.beust.jcommander.JCommander;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.ParameterException;
import com.beust.jcommander.Parameters;
import com.gitblit.utils.MarkdownUtils;

public class BuildSite {

	public static void main(String... args) {
		Params params = new Params();
		JCommander jc = new JCommander(params);
		try {
			jc.parse(args);
		} catch (ParameterException t) {
			usage(jc, t);
		}

		File sourceFolder = new File(params.sourceFolder);
		File destinationFolder = new File(params.outputFolder);
		File[] markdownFiles = sourceFolder.listFiles(new FilenameFilter() {

			@Override
			public boolean accept(File dir, String name) {
				return name.toLowerCase().endsWith(".mkd");
			}
		});
		Arrays.sort(markdownFiles);

		Map<String, String> aliasMap = new HashMap<String, String>();
		for (String alias:params.aliases) {
			String [] values = alias.split("=");
			aliasMap.put(values[0], values[1]);
		}
		
		System.out.println(MessageFormat.format("Generating site from {0} Markdown Docs in {1} ", markdownFiles.length, sourceFolder.getAbsolutePath()));
		String linkPattern = "<a href=''{0}''>{1}</a>";
		StringBuilder sb = new StringBuilder();
		for (File file : markdownFiles) {
			String documentName = getDocumentName(file);
			String displayName = documentName;
			if (aliasMap.containsKey(documentName)) {
				displayName = aliasMap.get(documentName);
			}
			String fileName = documentName + ".html";
			sb.append(MessageFormat.format(linkPattern, fileName, displayName));
			sb.append(" | ");
		}
		sb.setLength(sb.length() - 3);
		sb.trimToSize();
		
		String html_header = readContent(new File(params.pageHeader));
		String html_footer = readContent(new File(params.pageFooter));
		final String links = sb.toString();
		final String header = MessageFormat.format(html_header, Constants.FULL_NAME, links);
		final String date = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
		final String footer = MessageFormat.format(html_footer, "generated " + date);
		for (File file : markdownFiles) {
			try {
				String documentName = getDocumentName(file);
				String displayName = documentName;
				if (aliasMap.containsKey(documentName)) {
					displayName = aliasMap.get(documentName);
				}
				String fileName = documentName + ".html";
				System.out.println(MessageFormat.format("  {0} => {1}", file.getName(), fileName));
				InputStreamReader reader = new InputStreamReader(new FileInputStream(file), Charset.forName("UTF-8"));
				String content = MarkdownUtils.transformMarkdown(reader);
				if (displayName.equalsIgnoreCase("overview")) {
					content = MessageFormat.format(content, Constants.VERSION, "gitblit-" + Constants.VERSION + ".zip", Constants.getJGitVersion(), date);
				}
				OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(new File(destinationFolder, fileName)), Charset.forName("UTF-8"));
				writer.write(header);
				writer.write(content);
				writer.write(footer);
				reader.close();
				writer.close();
			} catch (Throwable t) {
				System.err.println("Failed to transform " + file.getName());
				t.printStackTrace();
			}
		}
	}

	private static String readContent(File file) {
		StringBuilder sb = new StringBuilder();
		try {
			InputStreamReader is = new InputStreamReader(new FileInputStream(file), Charset.forName("UTF-8"));
			BufferedReader reader = new BufferedReader(is);
			String line = null;
			while ((line = reader.readLine()) != null) {
				sb.append(line);
			}
			reader.close();
		} catch (Throwable t) {
			System.err.println("Failed to read content of " + file.getAbsolutePath());
			t.printStackTrace();
		}
		return sb.toString();
	}

	private static String getDocumentName(File file) {
		String displayName = file.getName().substring(0, file.getName().lastIndexOf('.')).toLowerCase();
		// trim leading ##_ which is to control display order
		return displayName.substring(3);
	}
	
	private static void usage(JCommander jc, ParameterException t) {
		System.out.println(Constants.getRunningVersion());
		System.out.println();
		if (t != null) {
			System.out.println(t.getMessage());
			System.out.println();
		}
		if (jc != null) {
			jc.usage();
		}
		System.exit(0);
	}
	
	@Parameters(separators = " ")
	private static class Params {

		@Parameter(names = { "--sourceFolder" }, description = "Markdown Source Folder", required = true)
		public String sourceFolder;

		@Parameter(names = { "--outputFolder" }, description = "HTML Ouptut Folder", required = true)
		public String outputFolder;

		@Parameter(names = { "--pageHeader" }, description = "Page Header HTML Snippet", required = true)
		public String pageHeader;

		@Parameter(names = { "--pageFooter" }, description = "Page Footer HTML Snippet", required = true)
		public String pageFooter;

		@Parameter(names = { "--alias" }, description = "Filename=Linkname aliases", required = false)
		public List<String> aliases = new ArrayList<String>();

	}
}