mirror of
https://github.com/octoleo/plantuml-server.git
synced 2024-12-22 08:48:54 +00:00
Add Date header
This commit is contained in:
parent
6a93bdad66
commit
e55fea2359
@ -32,171 +32,184 @@ import HTTPClient.ParseException;
|
||||
*/
|
||||
public class PlantUmlServlet extends HttpServlet {
|
||||
|
||||
private static final Pattern startumlPattern = Pattern
|
||||
.compile("/\\w+/uml/startuml/(.*)");
|
||||
private static final Pattern startumlPattern = Pattern
|
||||
.compile("/\\w+/uml/startuml/(.*)");
|
||||
|
||||
private static final Pattern imagePattern = Pattern
|
||||
.compile("/\\w+/uml/image/(.*)");
|
||||
private static final Pattern imagePattern = Pattern
|
||||
.compile("/\\w+/uml/image/(.*)");
|
||||
|
||||
private static final Pattern proxyPattern = Pattern
|
||||
.compile("/\\w+/uml/proxy/((\\d+)/)?(http://.*)");
|
||||
private static final Pattern proxyPattern = Pattern
|
||||
.compile("/\\w+/uml/proxy/((\\d+)/)?(http://.*)");
|
||||
|
||||
public void doGet(HttpServletRequest request, HttpServletResponse response)
|
||||
throws IOException, ServletException {
|
||||
public void doGet(HttpServletRequest request, HttpServletResponse response)
|
||||
throws IOException, ServletException {
|
||||
|
||||
final String uri = request.getRequestURI();
|
||||
Matcher startumlMatcher = startumlPattern.matcher(uri);
|
||||
Matcher imageMatcher = imagePattern.matcher(uri);
|
||||
Matcher proxyMatcher = proxyPattern.matcher(uri);
|
||||
final String uri = request.getRequestURI();
|
||||
Matcher startumlMatcher = startumlPattern.matcher(uri);
|
||||
Matcher imageMatcher = imagePattern.matcher(uri);
|
||||
Matcher proxyMatcher = proxyPattern.matcher(uri);
|
||||
|
||||
if (startumlMatcher.matches()) {
|
||||
String source = startumlMatcher.group(1);
|
||||
handleImage(response, source);
|
||||
} else if (imageMatcher.matches()) {
|
||||
String source = imageMatcher.group(1);
|
||||
handleImageDecompress(response, source);
|
||||
} else if (proxyMatcher.matches()) {
|
||||
String num = proxyMatcher.group(2);
|
||||
String source = proxyMatcher.group(3);
|
||||
handleImageProxy(response, num, source);
|
||||
} else {
|
||||
doPost(request, response);
|
||||
}
|
||||
}
|
||||
if (startumlMatcher.matches()) {
|
||||
String source = startumlMatcher.group(1);
|
||||
handleImage(response, source);
|
||||
} else if (imageMatcher.matches()) {
|
||||
String source = imageMatcher.group(1);
|
||||
handleImageDecompress(response, source);
|
||||
} else if (proxyMatcher.matches()) {
|
||||
String num = proxyMatcher.group(2);
|
||||
String source = proxyMatcher.group(3);
|
||||
handleImageProxy(response, num, source);
|
||||
} else {
|
||||
doPost(request, response);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void doPost(HttpServletRequest request, HttpServletResponse resp)
|
||||
throws ServletException, IOException {
|
||||
@Override
|
||||
protected void doPost(HttpServletRequest request, HttpServletResponse resp)
|
||||
throws ServletException, IOException {
|
||||
|
||||
PrintWriter writer = resp.getWriter();
|
||||
writer.print("<html>");
|
||||
writer.print("<head>");
|
||||
writer.print("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />");
|
||||
writer.print("<meta http-equiv=\"expires\" content=\"0\">");
|
||||
writer.print("<meta http-equiv=\"pragma\" content=\"no-cache\">");
|
||||
writer.print("<meta http-equiv=\"cache-control\" content=\"no-cache, must-revalidate\">");
|
||||
writer.print("<link rel=\"SHORTCUT ICON\" href=\"/plantuml/favicon.ico\">");
|
||||
writer.print("</head>");
|
||||
writer.print("<body>");
|
||||
writer.print("<h1>PlantUMLServer</h1><p>This application provides a servlet which serves images createdby <a href=\"http://plantuml.sourceforge.net\">PlantUML</a>.</p>");
|
||||
PrintWriter writer = resp.getWriter();
|
||||
writer.print("<html>");
|
||||
writer.print("<head>");
|
||||
writer
|
||||
.print("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />");
|
||||
writer.print("<meta http-equiv=\"expires\" content=\"0\">");
|
||||
writer.print("<meta http-equiv=\"pragma\" content=\"no-cache\">");
|
||||
writer
|
||||
.print("<meta http-equiv=\"cache-control\" content=\"no-cache, must-revalidate\">");
|
||||
writer
|
||||
.print("<link rel=\"SHORTCUT ICON\" href=\"/plantuml/favicon.ico\">");
|
||||
writer.print("</head>");
|
||||
writer.print("<body>");
|
||||
writer
|
||||
.print("<h1>PlantUMLServer</h1><p>This application provides a servlet which serves images createdby <a href=\"http://plantuml.sourceforge.net\">PlantUML</a>.</p>");
|
||||
|
||||
String text = request.getParameter("text");
|
||||
String url = request.getParameter("url");
|
||||
String encode = "";
|
||||
String text = request.getParameter("text");
|
||||
String url = request.getParameter("url");
|
||||
String encode = "";
|
||||
|
||||
Transcoder transcoder = getTranscoder();
|
||||
if (url != null) {
|
||||
Pattern p = Pattern.compile(".*/(.*)");
|
||||
Matcher m = p.matcher(url);
|
||||
if (m.find()) {
|
||||
url = m.group(1);
|
||||
}
|
||||
text = transcoder.decode(url);
|
||||
}
|
||||
writer.print("<form method=post action=\"/plantuml/uml/post\"><textarea name=\"text\" cols=\"120\" rows=\"10\">");
|
||||
if (text != null) {
|
||||
encode = transcoder.encode(text);
|
||||
writer.print(text);
|
||||
}
|
||||
writer.print("</textarea><br><input type=\"submit\"></form>");
|
||||
writer.print("<hr>");
|
||||
writer.print("You can enter here a previously generated URL:<p>");
|
||||
Transcoder transcoder = getTranscoder();
|
||||
if (url != null) {
|
||||
Pattern p = Pattern.compile(".*/(.*)");
|
||||
Matcher m = p.matcher(url);
|
||||
if (m.find()) {
|
||||
url = m.group(1);
|
||||
}
|
||||
text = transcoder.decode(url);
|
||||
}
|
||||
writer
|
||||
.print("<form method=post action=\"/plantuml/uml/post\"><textarea name=\"text\" cols=\"120\" rows=\"10\">");
|
||||
if (text != null) {
|
||||
encode = transcoder.encode(text);
|
||||
writer.print(text);
|
||||
}
|
||||
writer.print("</textarea><br><input type=\"submit\"></form>");
|
||||
writer.print("<hr>");
|
||||
writer.print("You can enter here a previously generated URL:<p>");
|
||||
|
||||
String host = "http://" + request.getServerName()+ ":" + request.getServerPort();
|
||||
String total = host + "/plantuml/uml/image/" + encode;
|
||||
String host = "http://" + request.getServerName() + ":"
|
||||
+ request.getServerPort();
|
||||
String total = host + "/plantuml/uml/image/" + encode;
|
||||
|
||||
writer.print("<form method=\"post\" action=\"/plantuml/uml/post\"><input name=\"url\" type=\"text\" size=\"150\" value=\""
|
||||
+ total + "\">");
|
||||
writer.print("<br><input type=\"submit\"></form>");
|
||||
writer
|
||||
.print("<form method=\"post\" action=\"/plantuml/uml/post\"><input name=\"url\" type=\"text\" size=\"150\" value=\""
|
||||
+ total + "\">");
|
||||
writer.print("<br><input type=\"submit\"></form>");
|
||||
|
||||
if (text != null) {
|
||||
writer.print("<hr>");
|
||||
writer.print("You can use the following URL:<p>");
|
||||
if (text != null) {
|
||||
writer.print("<hr>");
|
||||
writer.print("You can use the following URL:<p>");
|
||||
|
||||
String urlPart = "\"" + total + "\"";
|
||||
writer.print("<a href=" + urlPart + " >");
|
||||
writer.print("<code>");
|
||||
writer.print("<img src=" + urlPart + " >");
|
||||
writer.print("</code></a><p>");
|
||||
String urlPart = "\"" + total + "\"";
|
||||
writer.print("<a href=" + urlPart + " >");
|
||||
writer.print("<code>");
|
||||
writer.print("<img src=" + urlPart + " >");
|
||||
writer.print("</code></a><p>");
|
||||
|
||||
writer.print("<a href=" + urlPart + " >");
|
||||
writer.print("<img src=\"/plantuml/uml/image/" + encode + "\" >");
|
||||
writer.print("</a>");
|
||||
}
|
||||
writer.print("</body></html>");
|
||||
writer.flush();
|
||||
}
|
||||
writer.print("<a href=" + urlPart + " >");
|
||||
writer.print("<img src=\"/plantuml/uml/image/" + encode + "\" >");
|
||||
writer.print("</a>");
|
||||
}
|
||||
writer.print("</body></html>");
|
||||
writer.flush();
|
||||
}
|
||||
|
||||
private Transcoder getTranscoder() {
|
||||
return TranscoderUtil.getDefaultTranscoder();
|
||||
}
|
||||
|
||||
|
||||
private void handleImage(HttpServletResponse response, String source)
|
||||
throws IOException {
|
||||
source = URLDecoder.decode(source, "UTF-8");
|
||||
StringBuilder plantUmlSource = new StringBuilder();
|
||||
|
||||
StringTokenizer tokenizer = new StringTokenizer(source, "/@");
|
||||
while (tokenizer.hasMoreTokens()) {
|
||||
String token = tokenizer.nextToken();
|
||||
plantUmlSource.append(token).append("\n");
|
||||
}
|
||||
sendImage(response, plantUmlSource.toString());
|
||||
private void handleImage(HttpServletResponse response, String source)
|
||||
throws IOException {
|
||||
source = URLDecoder.decode(source, "UTF-8");
|
||||
StringBuilder plantUmlSource = new StringBuilder();
|
||||
|
||||
}
|
||||
StringTokenizer tokenizer = new StringTokenizer(source, "/@");
|
||||
while (tokenizer.hasMoreTokens()) {
|
||||
String token = tokenizer.nextToken();
|
||||
plantUmlSource.append(token).append("\n");
|
||||
}
|
||||
sendImage(response, plantUmlSource.toString());
|
||||
|
||||
private void handleImageDecompress(HttpServletResponse response,
|
||||
String source) throws IOException {
|
||||
source = URLDecoder.decode(source, "UTF-8");
|
||||
Transcoder transcoder = getTranscoder();
|
||||
String text2 = transcoder.decode(source);
|
||||
sendImage(response, text2);
|
||||
}
|
||||
}
|
||||
|
||||
private void handleImageProxy(HttpServletResponse response, String num,
|
||||
String source) throws IOException {
|
||||
String s = getContent(source);
|
||||
SourceStringReader reader = new SourceStringReader(s);
|
||||
int n = num == null ? 0 : Integer.parseInt(num);
|
||||
// Write the first image to "os"
|
||||
reader.generateImage(response.getOutputStream(), n);
|
||||
}
|
||||
private void handleImageDecompress(HttpServletResponse response,
|
||||
String source) throws IOException {
|
||||
source = URLDecoder.decode(source, "UTF-8");
|
||||
Transcoder transcoder = getTranscoder();
|
||||
String text2 = transcoder.decode(source);
|
||||
sendImage(response, text2);
|
||||
}
|
||||
|
||||
private void sendImage(HttpServletResponse response, String text)
|
||||
throws IOException {
|
||||
StringBuilder plantUmlSource = new StringBuilder();
|
||||
plantUmlSource.append("@startuml\n");
|
||||
plantUmlSource.append(text);
|
||||
plantUmlSource.append("\n@enduml");
|
||||
private void handleImageProxy(HttpServletResponse response, String num,
|
||||
String source) throws IOException {
|
||||
String s = getContent(source);
|
||||
SourceStringReader reader = new SourceStringReader(s);
|
||||
int n = num == null ? 0 : Integer.parseInt(num);
|
||||
// Write the first image to "os"
|
||||
reader.generateImage(response.getOutputStream(), n);
|
||||
}
|
||||
|
||||
SourceStringReader reader = new SourceStringReader(plantUmlSource
|
||||
.toString());
|
||||
// Write the first image to "os"
|
||||
response.setContentType("image/png");
|
||||
reader.generateImage(response.getOutputStream());
|
||||
response.flushBuffer();
|
||||
}
|
||||
private void sendImage(HttpServletResponse response, String text)
|
||||
throws IOException {
|
||||
StringBuilder plantUmlSource = new StringBuilder();
|
||||
plantUmlSource.append("@startuml\n");
|
||||
plantUmlSource.append(text);
|
||||
plantUmlSource.append("\n@enduml");
|
||||
|
||||
public String getContent(String adress) throws IOException {
|
||||
// HTTPConnection.setProxyServer("proxy", 8080);
|
||||
CookieModule.setCookiePolicyHandler(null);
|
||||
SourceStringReader reader = new SourceStringReader(plantUmlSource
|
||||
.toString());
|
||||
// Write the first image to "os"
|
||||
long today = System.currentTimeMillis();
|
||||
response.addDateHeader("Expires", today + 31536000000L);
|
||||
// today + 1 year
|
||||
response.addDateHeader("Last-Modified", 1261440000000L);
|
||||
// 2009 dec 22 constant date in the past
|
||||
response.addHeader("Cache-Control", "public");
|
||||
response.setContentType("image/png");
|
||||
reader.generateImage(response.getOutputStream());
|
||||
|
||||
final Pattern p = Pattern.compile("http://[^/]+(/?.*)");
|
||||
final Matcher m = p.matcher(adress);
|
||||
if (m.find() == false) {
|
||||
throw new IOException(adress);
|
||||
}
|
||||
final URL url = new URL(adress);
|
||||
final HTTPConnection httpConnection = new HTTPConnection(url);
|
||||
try {
|
||||
final HTTPResponse resp = httpConnection.Get(m.group(1));
|
||||
return resp.getText();
|
||||
} catch (ModuleException e) {
|
||||
throw new IOException(e.toString());
|
||||
} catch (ParseException e) {
|
||||
throw new IOException(e.toString());
|
||||
}
|
||||
}
|
||||
response.flushBuffer();
|
||||
}
|
||||
|
||||
public String getContent(String adress) throws IOException {
|
||||
// HTTPConnection.setProxyServer("proxy", 8080);
|
||||
CookieModule.setCookiePolicyHandler(null);
|
||||
|
||||
final Pattern p = Pattern.compile("http://[^/]+(/?.*)");
|
||||
final Matcher m = p.matcher(adress);
|
||||
if (m.find() == false) {
|
||||
throw new IOException(adress);
|
||||
}
|
||||
final URL url = new URL(adress);
|
||||
final HTTPConnection httpConnection = new HTTPConnection(url);
|
||||
try {
|
||||
final HTTPResponse resp = httpConnection.Get(m.group(1));
|
||||
return resp.getText();
|
||||
} catch (ModuleException e) {
|
||||
throw new IOException(e.toString());
|
||||
} catch (ParseException e) {
|
||||
throw new IOException(e.toString());
|
||||
}
|
||||
}
|
||||
|
||||
}
|
Loading…
Reference in New Issue
Block a user