Small refactoring

Switched to stripes layouts
Switched to AJAX and client-side download
UI cleanup

Author: thebiglabasky

pom.xml

@@ -66,6 +66,12 @@
 			<artifactId>guice-servlet</artifactId>
 			<version>3.0</version>
 		</dependency>
+		<dependency>
+			<groupId>com.google.code.gson</groupId>
+			<artifactId>gson</artifactId>
+			<version>2.3.1</version>
+		</dependency>
+
 
 		<!-- Test Dependencies -->
 		<dependency>

src/main/java/fr/airv/web/soyonline/actions/Compile.java

@@ -0,0 +1,65 @@
+package fr.airv.web.soyonline.actions;
+
+
+import net.sourceforge.stripes.action.DefaultHandler;
+import net.sourceforge.stripes.action.HandlesEvent;
+import net.sourceforge.stripes.action.Resolution;
+import net.sourceforge.stripes.action.UrlBinding;
+import fr.airv.web.soyonline.model.AjaxResult;
+import fr.airv.web.soyonline.services.CompilationException;
+import fr.airv.web.soyonline.services.CompilationService;
+import fr.airv.web.soyonline.stripesext.JSONResolution;
+
+/**
+ * Main compilation action bean class. Exposes 3 entry points:
+ * <ol>
+ * <li>Main display</li>
+ * <li>Compiling</li>
+ * <li>Compiling and downloading result</li>
+ * </ol>
+ * 
+ * @author Hervé Labas
+ *
+ */
+@UrlBinding("/action/compile/{$event}")
+public class CompileActionBean extends SoyOnlineActionBean {
+
+  /**
+   * Soy input source to compile.
+   */
+  private String inputSource;
+  
+  /**
+   * Compilation service. TODO: initialise using Guice.
+   */
+  private CompilationService compilationService = new CompilationService();
+
+  /**
+   * Compiles the current source input and renders the compiled result.
+   * 
+   * @return The javascript resolution containing the compilation result.
+   */
+  @HandlesEvent("verify")
+  @DefaultHandler
+  public Resolution compile() {
+    AjaxResult compilationResult = new AjaxResult();
+    try {
+      String compiled = compilationService.compileSource(getInputSource());
+      compilationResult.setContent(compiled);
+      compilationResult.setSuccess(true);
+    } catch (CompilationException ex) {
+      compilationResult.setContent(ex.getMessage());
+      compilationResult.setSuccess(false);
+    }
+    return new JSONResolution(compilationResult);
+  }
+
+  public String getInputSource() {
+    return inputSource;
+  }
+
+  public void setInputSource(String inputSource) {
+    this.inputSource = inputSource;
+  }
+
+}

src/main/java/fr/airv/web/soyonline/actions/CompileActionBean.java

@@ -0,0 +1,20 @@
+package fr.airv.web.soyonline.actions;
+
+import net.sourceforge.stripes.action.DefaultHandler;
+import net.sourceforge.stripes.action.ForwardResolution;
+import net.sourceforge.stripes.action.Resolution;
+import net.sourceforge.stripes.action.UrlBinding;
+
+@UrlBinding(SoyOnlineActionBean.BASE_PATH)
+public class HomeActionBean extends SoyOnlineActionBean {
+
+  /**
+   * Displays the main compilation page.
+   * 
+   * @return The main JSP resolution.
+   */
+  @DefaultHandler
+  public Resolution showCompiler() {
+    return new ForwardResolution("/jsp/home.jsp");
+  }
+}

src/main/java/fr/airv/web/soyonline/actions/HomeActionBean.java

@@ -0,0 +1,29 @@
+package fr.airv.web.soyonline.actions;
+
+import net.sourceforge.stripes.action.ActionBean;
+import net.sourceforge.stripes.action.ActionBeanContext;
+
+/**
+ * Base class for the app's action beans.
+ * @author herve
+ */
+public class SoyOnlineActionBean implements ActionBean {
+
+  protected static final String BASE_PATH = "/action/";
+  
+  /**
+   * The ActionBeanContext instance. 
+   */
+  protected ActionBeanContext ctx;
+  
+  @Override
+  public void setContext(ActionBeanContext context) {
+    ctx = context;
+  }
+
+  @Override
+  public ActionBeanContext getContext() {
+    return ctx;
+  }
+
+}

src/main/java/fr/airv/web/soyonline/actions/SoyOnlineActionBean.java

@@ -0,0 +1,53 @@
+package fr.airv.web.soyonline.model;
+
+
+import java.io.Serializable;
+
+/**
+ * AJAX request result container.
+ * 
+ * @author herve
+ *
+ */
+public class AjaxResult {
+
+  /**
+   * Flag telling if the result is a success.
+   */
+  private boolean success;
+
+  /**
+   * Content of the response.
+   */
+  private Serializable content;
+
+  /**
+   * Constructor with content.
+   * @param content Content to send.
+   */
+  public AjaxResult(Serializable content) {
+    this.setContent(content);
+  }
+
+  /**
+   * Default constructor.
+   */
+  public AjaxResult() {
+  }
+
+  public boolean isSuccess() {
+    return success;
+  }
+
+  public void setSuccess(boolean success) {
+    this.success = success;
+  }
+
+  public Object getContent() {
+    return content;
+  }
+
+  public void setContent(Serializable content) {
+    this.content = content;
+  }
+}

src/main/java/fr/airv/web/soyonline/model/AjaxResult.java

@@ -0,0 +1,52 @@
+package fr.airv.web.soyonline.services;
+
+
+import com.google.template.soy.base.SoySyntaxException;
+
+/**
+ * Compilation error exception.
+ * @author herve
+ */
+public class CompilationException extends Exception {
+
+  /**
+   * Serial UID.
+   */
+  private static final long serialVersionUID = 3102386191894455147L;
+
+  /**
+   * Source file where the error was detected.
+   */
+  private String source;
+
+  /**
+   * Line number for the error.
+   */
+  private int lineNumber;
+
+  /**
+   * Builds a compilation error.
+   * @param soyEx The original compilation error.
+   */
+  public CompilationException(SoySyntaxException soyEx) {
+    super(soyEx.getMessage(), soyEx);
+    this.setSource(soyEx.getSourceLocation().getFilePath());
+    this.setLineNumber(soyEx.getSourceLocation().getLineNumber());
+  }
+
+  public int getLineNumber() {
+    return lineNumber;
+  }
+
+  public void setLineNumber(int lineNumber) {
+    this.lineNumber = lineNumber;
+  }
+
+  public String getSource() {
+    return source;
+  }
+
+  public void setSource(String source) {
+    this.source = source;
+  }
+}