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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.query.gui;
import com.google.inject.Inject;
import com.yahoo.container.jdisc.HttpRequest;
import com.yahoo.container.jdisc.HttpResponse;
import com.yahoo.container.jdisc.LoggingRequestHandler;
import com.yahoo.search.query.restapi.ErrorResponse;
import com.yahoo.yolean.Exceptions;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.logging.Level;
/**
* Takes requests on /querybuilder
*
* @author Henrik Høiness
*/
public class GUIHandler extends LoggingRequestHandler {
@Inject
public GUIHandler(Context parentCtx) {
super(parentCtx);
}
@Override
public HttpResponse handle(HttpRequest request) {
try {
switch (request.getMethod()) {
case GET: return handleGET(request);
default: return ErrorResponse.methodNotAllowed("Method '" + request.getMethod() + "' is not supported");
}
} catch (IllegalArgumentException e) {
return ErrorResponse.badRequest(Exceptions.toMessageString(e));
} catch (RuntimeException e) {
log.log(Level.WARNING, "Unexpected error handling '" + request.getUri() + "'", e);
return ErrorResponse.internalServerError(Exceptions.toMessageString(e));
}
}
private HttpResponse handleGET(HttpRequest request) {
com.yahoo.restapi.Path path = new com.yahoo.restapi.Path(request.getUri().getPath());
if (path.matches("/querybuilder/")) {
return new FileResponse("_includes/index.html");
}
if (!path.matches("/querybuilder/{*}") ) {
return ErrorResponse.notFoundError("Nothing at path:" + path);
}
String filepath = path.getRest();
if (!isValidPath(filepath)){
return ErrorResponse.notFoundError("Nothing at path:" + filepath);
}
return new FileResponse(filepath);
}
private static boolean isValidPath(String path) {
InputStream in = GUIHandler.class.getClassLoader().getResourceAsStream("gui/"+path);
boolean isValid = (in != null);
if(isValid){
try { in.close(); } catch (IOException e) {/* Problem with closing inputstream */}
}
return isValid;
}
private static class FileResponse extends HttpResponse {
private final String path;
public FileResponse(String relativePath) {
super(200);
this.path = relativePath;
}
@Override
public void render(OutputStream out) throws IOException {
InputStream is = GUIHandler.class.getClassLoader().getResourceAsStream("gui/"+this.path);
byte[] buf = new byte[1024];
int numRead;
while ( (numRead = is.read(buf) ) >= 0) {
out.write(buf, 0, numRead);
}
}
@Override
public String getContentType() {
if (path.endsWith(".css")) {
return "text/css";
} else if (path.endsWith(".js")) {
return "application/javascript";
} else if (path.endsWith(".html")) {
return "text/html";
} else if (path.endsWith(".php")) {
return "text/php";
} else if (path.endsWith(".svg")) {
return "image/svg+xml";
} else if (path.endsWith(".eot")) {
return "application/vnd.ms-fontobject";
} else if (path.endsWith(".ttf")) {
return "font/ttf";
} else if (path.endsWith(".woff")) {
return "font/woff";
} else if (path.endsWith(".woff2")) {
return "font/woff2";
} else if (path.endsWith(".otf")) {
return "font/otf";
} else if (path.endsWith(".png")) {
return "image/png";
} else if (path.endsWith(".xml")) {
return "application/xml";
} else if (path.endsWith(".ico")) {
return "image/x-icon";
} else if (path.endsWith(".json")) {
return "application/json";
} else if (path.endsWith(".ttf")) {
return "font/ttf";
}
return "text/html";
}
}
}
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