Minecraft/asys
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Работающий прототип расширения веб интерфейса

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DmitriyMX
2017-03-15 17:18:57 +03:00
parent 908bd6a7dd
commit c876908509
9 changed files with 127 additions and 15 deletions
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2
webinterface/src/main/java/asys/webinterface/Activator.java
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@@ -52,7 +52,7 @@ public class Activator implements BundleActivator {
@Override
public Map<String, String> getMainMenuItems() {
return new HashMap<String, String>(){{
this.put("Модули", "#");
this.put("Модули", "/modules");
}};
}

31
webinterface/src/main/java/asys/webinterface/HttpReqRespImpl.java Normal file
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@@ -0,0 +1,31 @@
/*
* DmitriyMX <mail@dmitriymx.ru>
* 2017-03-15
*/
package asys.webinterface;
import asys.webinterface.api.HttpReqResp;
import com.sun.net.httpserver.HttpExchange;
public class HttpReqRespImpl implements HttpReqResp {
private HttpExchange httpExchange;
public HttpReqRespImpl(HttpExchange httpExchange) {
this.httpExchange = httpExchange;
}
@Override
public String[] getRequestURIParts() {
String uriStr = httpExchange.getRequestURI().toString().replaceAll("/{2,}", "/");
if (uriStr.startsWith("/")) {
uriStr = uriStr.replaceFirst("/","");
}
String[] result = uriStr.split("/");
if (result.length == 1 && result[0].isEmpty()) {
return new String[0];
} else {
return result;
}
}
}

37
webinterface/src/main/java/asys/webinterface/IndexHandler.java
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@@ -4,23 +4,28 @@
*/
package asys.webinterface;
import asys.webinterface.api.HttpReqResp;
import asys.webinterface.api.WebModule;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.nio.charset.Charset;
public class IndexHandler implements HttpHandler {
private final Logger logger = LoggerFactory.getLogger(IndexHandler.class);
static final Charset defaultCharset = Charset.forName("UTF-8");
private String htmlTemplate;
private WebinterfaceImpl webinterface;
public IndexHandler(WebinterfaceImpl webinterface) {
try {
InputStream inputStream = getClass().getResourceAsStream("/index.html");
htmlTemplate = IOUtils.toString(inputStream, "UTF-8")
.replace("<{moduleScript}>", webinterface.javascriptToTags("modules"))
.replace("<{moduleStylesheet}>", webinterface.stylesheetToTags("modules"));
htmlTemplate = IOUtils.toString(inputStream, "UTF-8");
this.webinterface = webinterface;
} catch (Exception e) {
throw new RuntimeException("Error load htmlTemplate", e);
}
@@ -28,10 +33,32 @@ public class IndexHandler implements HttpHandler {
@Override
public void handle(HttpExchange httpExchange) throws IOException {
HttpReqResp httpReqResp = new HttpReqRespImpl(httpExchange);
String[] requestURIParts = httpReqResp.getRequestURIParts();
if (requestURIParts.length > 0 && requestURIParts[0].equals("module")) {
logger.debug("Module request: {}", requestURIParts[1]);
WebModule module = webinterface.getModule(requestURIParts[1]);
if (module != null) {
sendHtmlTemplate(prepareHtmlTemplate(module), httpExchange);
} else {
logger.warn("404 - module \"{}\" not found", requestURIParts[1]);
}
} else if (requestURIParts.length == 0 || requestURIParts[0].equals("modules")) {
logger.debug("use default module");
sendHtmlTemplate(prepareHtmlTemplate(webinterface.getModule("modules")), httpExchange);
}
}
private byte[] prepareHtmlTemplate(WebModule module) {
return htmlTemplate.replace("<{moduleScript}>", webinterface.javascriptToTags(module))
.replace("<{moduleStylesheet}>", webinterface.stylesheetToTags(module)).getBytes(defaultCharset);
}
private void sendHtmlTemplate(byte[] htmlTemplateBytes, HttpExchange httpExchange) throws IOException {
httpExchange.getResponseHeaders().add("Context-Type","text/html;charset=utf-8");
httpExchange.sendResponseHeaders(200, htmlTemplate.length());
httpExchange.sendResponseHeaders(200, htmlTemplateBytes.length);
OutputStream responseBody = httpExchange.getResponseBody();
responseBody.write(htmlTemplate.getBytes(defaultCharset));
responseBody.write(htmlTemplateBytes);
responseBody.close();
}
}

11
webinterface/src/main/java/asys/webinterface/WebinterfaceImpl.java
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@@ -22,6 +22,11 @@ public class WebinterfaceImpl implements Webinterface {
webModules.remove(moduleName);
}
@Override
public WebModule getModule(String moduleName) {
return webModules.get(moduleName);
}
public String mainMenuItemsToReactJS() {
StringJoiner sj = new StringJoiner(",");
@@ -37,10 +42,9 @@ public class WebinterfaceImpl implements Webinterface {
return sj.toString();
}
public String javascriptToTags(String moduleName) {
public String javascriptToTags(WebModule webModule) {
StringJoiner sj = new StringJoiner("\n");
WebModule webModule = webModules.get(moduleName);
for (String link : webModule.getJavaScriptLinks()) {
sj.add(String.format("<script src=\"%s\"></script>", link));
}
@@ -48,10 +52,9 @@ public class WebinterfaceImpl implements Webinterface {
return sj.toString();
}
public String stylesheetToTags(String moduleName) {
public String stylesheetToTags(WebModule webModule) {
StringJoiner sj = new StringJoiner("\n");
WebModule webModule = webModules.get(moduleName);
for (String link : webModule.getJavaScriptLinks()) {
sj.add(String.format("<link rel=\"stylesheet\" href=\"%s\">", link));
}

1
webinterface/src/main/java/asys/webinterface/api/HttpReqResp.java
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@@ -5,4 +5,5 @@
package asys.webinterface.api;
public interface HttpReqResp {
String[] getRequestURIParts();
}

1
webinterface/src/main/java/asys/webinterface/api/Webinterface.java
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@@ -7,4 +7,5 @@ package asys.webinterface.api;
public interface Webinterface {
void addModule(WebModule webModule);
void removeModule(String moduleName);
WebModule getModule(String moduleName);
}