feature/render-binary #1
3 changed files with 61 additions and 4 deletions
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@ -12,7 +12,7 @@
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="library" name="Maven: ch.fritteli.labyrinth:labyrinth-generator:0.0.1" level="project" />
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<orderEntry type="module" module-name="labyrinth-generator" />
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<orderEntry type="library" name="Maven: org.apache.pdfbox:pdfbox:2.0.20" level="project" />
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<orderEntry type="library" name="Maven: org.apache.pdfbox:fontbox:2.0.20" level="project" />
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<orderEntry type="library" name="Maven: commons-logging:commons-logging:1.2" level="project" />
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2
pom.xml
2
pom.xml
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@ -18,7 +18,7 @@
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<dependency>
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<groupId>ch.fritteli.labyrinth</groupId>
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<artifactId>labyrinth-generator</artifactId>
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<version>0.0.1</version>
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<version>0.0.2-SNAPSHOT</version>
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</dependency>
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<dependency>
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<groupId>io.vavr</groupId>
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@ -4,10 +4,16 @@ import ch.fritteli.labyrinth.generator.model.Labyrinth;
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import ch.fritteli.labyrinth.generator.renderer.html.HTMLRenderer;
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import ch.fritteli.labyrinth.generator.renderer.pdf.PDFRenderer;
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import ch.fritteli.labyrinth.generator.renderer.text.TextRenderer;
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import ch.fritteli.labyrinth.generator.serialization.SerializerDeserializer;
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import com.sun.net.httpserver.Headers;
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpServer;
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import io.vavr.collection.*;
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import io.vavr.collection.HashMap;
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import io.vavr.collection.HashSet;
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import io.vavr.collection.List;
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import io.vavr.collection.Map;
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import io.vavr.collection.Set;
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import io.vavr.collection.Stream;
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import io.vavr.control.Option;
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import io.vavr.control.Try;
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import lombok.Getter;
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@ -28,7 +34,12 @@ public class LabyrinthServer {
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public LabyrinthServer(@NonNull final ServerConfig config) throws IOException {
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this.httpServer = HttpServer.create(new InetSocketAddress(config.getAddress(), config.getPort()), 5);
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this.httpServer.createContext("/", exchange -> {
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exchange.getResponseHeaders().add("Location", "/create");
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exchange.sendResponseHeaders(302, -1);
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});
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this.httpServer.createContext("/create", this::handleCreate);
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this.httpServer.createContext("/render", this::handleRender);
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}
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public static Option<LabyrinthServer> createAndStartServer() {
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@ -131,6 +142,51 @@ public class LabyrinthServer {
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exchange.close();
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}
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private void handleRender(final HttpExchange exchange) throws IOException {
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try {
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log.debug("Handling request to {}", exchange.getRequestURI());
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final String requestMethod = exchange.getRequestMethod();
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if (!requestMethod.equals("POST")) {
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exchange.getResponseBody().close();
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exchange.sendResponseHeaders(405, -1);
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return;
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}
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final byte[] bytes = exchange.getRequestBody().readAllBytes();
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@NonNull final Labyrinth labyrinth;
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try {
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labyrinth = SerializerDeserializer.deserialize(bytes);
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} catch (Exception e) {
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e.printStackTrace();
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throw e;
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}
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OutputType output = exchange.getRequestHeaders()
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.get("Accept")
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.contains("text/html") ?
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OutputType.HTML :
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OutputType.TEXT_PLAIN;
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final byte[] render;
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final Headers responseHeaders = exchange.getResponseHeaders();
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try {
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render = output.render(labyrinth);
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} catch (Exception e) {
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responseHeaders.add("Content-type", "text/plain; charset=UTF-8");
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exchange.sendResponseHeaders(500, 0);
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final OutputStream responseBody = exchange.getResponseBody();
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responseBody.write(("Error: " + e).getBytes(StandardCharsets.UTF_8));
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responseBody.flush();
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return;
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}
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responseHeaders.add("Content-type", output.getContentType());
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exchange.sendResponseHeaders(200, 0);
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final OutputStream responseBody = exchange.getResponseBody();
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responseBody.write(render);
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responseBody.flush();
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} finally {
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exchange.close();
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}
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}
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private enum RequestParameter {
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WIDTH("w", "width"),
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HEIGHT("h", "height"),
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@ -154,7 +210,8 @@ public class LabyrinthServer {
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private enum OutputType {
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TEXT_PLAIN("text/plain; charset=UTF-8", labyrinth -> TextRenderer.newInstance().render(labyrinth).getBytes(StandardCharsets.UTF_8), "t", "text"),
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HTML("text/html", labyrinth -> HTMLRenderer.newInstance().render(labyrinth).getBytes(StandardCharsets.UTF_8), "h", "html"),
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PDF("application/pdf", labyrinth -> PDFRenderer.newInstance().render(labyrinth), "p", "pdf");
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PDF("application/pdf", labyrinth -> PDFRenderer.newInstance().render(labyrinth), "p", "pdf"),
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BINARY("application/octet-stream", SerializerDeserializer::serialize, "b", "binary");
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@Getter
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@NonNull
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private final String contentType;
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