Package org.jboss.errai.codegen

Examples of org.jboss.errai.codegen.BlockStatement

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  public BlockBuilderImpl() {
    this(null);
  }

  public BlockBuilderImpl(final BuildCallback<T> callback) {
    this(new BlockStatement(), callback);
  }
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  public BlockBuilder<StatementEnd> foreach(String loopVarName, Class<?> loopVarType) {
    return foreach(loopVarName, MetaClassFactory.get(loopVarType));
  }

  private BlockBuilder<StatementEnd> foreach(final String loopVarName, final MetaClass loopVarType) {
    final BlockStatement body = new BlockStatement();

    appendCallElement(new DeferredCallElement(new DeferredCallback() {
      @Override
      public void doDeferred(CallWriter writer, Context context, Statement statement) {
          GenUtil.assertIsIterable(statement);
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  }

  // do while loop
  @Override
  public BlockBuilder<WhileBuilder> do_() {
    final BlockStatement body = new BlockStatement();

    return new BlockBuilderImpl<WhileBuilder>(body, new BuildCallback<WhileBuilder>() {
      @Override
      public WhileBuilder callback(Statement statement) {
        return new WhileBuilder() {
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    return while_(new BooleanExpressionBuilder(rhs, op));
  }

  @Override
  public BlockBuilder<StatementEnd> while_(final BooleanExpression condition) {
    final BlockStatement body = new BlockStatement();
    appendCallElement(new ConditionalBlockCallElement(new WhileLoop(condition, body)));
    return createLoopBody(body);
  }
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  @Override
  public BlockBuilder<StatementEnd> for_(final Statement initializer, final BooleanExpression condition,
      final Statement countingExpression) {
   
    final BlockStatement body = new BlockStatement();
    appendCallElement(new ConditionalBlockCallElement(new ForLoop(condition, body, initializer, countingExpression)));
    return createLoopBody(body);
  }
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    if (_constructorsCache != null) return _constructorsCache;

    if (constructors.isEmpty()) {
      // add an empty no-arg constructor
      final BuildMetaConstructor buildMetaConstructor =
          new BuildMetaConstructor(this, new BlockStatement(), DefParameters.none());

      buildMetaConstructor.setScope(Scope.Public);
      return _constructorsCache = new MetaConstructor[]{buildMetaConstructor};
    }
    else {
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   * @param params
   *          the resource method's parameters
   * @return the URL statement
   */
  private Statement generateUrl(final JaxrsResourceMethodParameters params) {
    BlockStatement block = new BlockStatement();
    block.addStatement(Stmt.declareVariable("url", StringBuilder.class,
        Stmt.newObject(StringBuilder.class, new StringStatement("getBaseUrl()"))));

    // construct path using @PathParams and @MatrixParams
    String path = resourceMethod.getPath();
    ContextualStatementBuilder pathValue = Stmt.loadLiteral(path);

    for (String pathParamName : JaxrsResourceMethodParameters.getPathParameterNames(path)) {
      String pathParamId = pathParamName;
      if (pathParamName.contains(":")) {
        pathParamId = pathParamName.split(":")[0];
      }
      Statement pathParam = marshal(params.getPathParameter(pathParamId));
      if (params.needsEncoding(pathParamId)) {
        pathParam = encodePath(pathParam);
      }
      pathValue = pathValue.invoke("replace", "{" + pathParamName + "}", pathParam);
    }

    if (params.getMatrixParameters() != null) {
      for (String matrixParamName : params.getMatrixParameters().keySet()) {
        pathValue = pathValue.invoke("concat", ";" + matrixParamName + "=")
            .invoke("concat", encodePath(marshal(params.getMatrixParameter(matrixParamName))));
      }
    }
   
    ContextualStatementBuilder urlBuilder = Stmt.loadVariable("url").invoke(APPEND, pathValue);
    block.addStatement(urlBuilder);
   
    // construct query using @QueryParams
    if (params.getQueryParameters() != null) {
      urlBuilder = urlBuilder.invoke(APPEND, "?");
      int i = 0;
      for (String queryParamName : params.getQueryParameters().keySet()) {
        for (Statement queryParam : params.getQueryParameters(queryParamName)) {
         
          MetaClass queryParamType = queryParam.getType();
          if (isListOrSet(queryParamType)) {
            MetaClass paramType = assertValidCollectionParam(queryParamType, queryParamName, QueryParam.class);
            ContextualStatementBuilder listParam = (queryParam instanceof Parameter) ?
                Stmt.loadVariable(((Parameter) queryParam).getName()) : Stmt.nestedCall(queryParam);
           
            block.addStatement(listParam.foreach("p")
                .append(If.not(Stmt.loadVariable("url").invoke("toString").invoke("endsWith", "?"))
                    .append(Stmt.loadVariable("url").invoke(APPEND, "&")).finish())
                .append(Stmt.loadVariable("url").invoke(APPEND, queryParamName).invoke(APPEND, "=")
                    .invoke(APPEND, encodeQuery(marshal(paramType, Stmt.loadVariable("p")))))
                .finish()
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   * @param params
   *          the resource method's parameters
   * @return a block statement with the corresponding calls to {@link RequestBuilder#setHeader(String, String)}
   */
  private Statement generateHeaders(final JaxrsResourceMethodParameters params) {
    BlockStatement block = new BlockStatement();

    // set headers based on method and class
    for (String key : resourceMethod.getHeaders().keySet()) {
      block.addStatement(Stmt.loadVariable("requestBuilder").invoke("setHeader", key,
          resourceMethod.getHeaders().get(key)));
    }

    // set headers based on @HeaderParams
    if (params.getHeaderParameters() != null) {
      for (String headerParamName : params.getHeaderParameters().keySet()) {
        ContextualStatementBuilder headerValueBuilder = Stmt.nestedCall(Stmt.newObject(StringBuilder.class));

        int i = 0;
        for (Statement headerParam : params.getHeaderParameters(headerParamName)) {
          if (i++ > 0) {
            headerValueBuilder = headerValueBuilder.invoke(APPEND, ",");
          }
          headerValueBuilder = headerValueBuilder.invoke(APPEND, marshal(headerParam));
        }

        block.addStatement(Stmt.loadVariable("requestBuilder").invoke("setHeader", headerParamName,
            headerValueBuilder.invoke("toString")));
      }
    }

    // set cookies based on @CookieParams
    if (params.getCookieParameters() != null) {
      for (String cookieName : params.getCookieParameters().keySet()) {
        Statement cookieParam = params.getCookieParameters().get(cookieName).get(0);

        ContextualStatementBuilder setCookie = (cookieParam instanceof Parameter) ?
            Stmt.loadVariable(((Parameter) cookieParam).getName()) :
              Stmt.nestedCall(cookieParam);

        setCookie.if_(BooleanOperator.NotEquals, null)
            .append(Stmt.invokeStatic(Cookies.class, "setCookie", cookieName, marshal(cookieParam)))
            .finish();

        block.addStatement(setCookie);
      }
    }
    return block.isEmpty() ? null : block;
  }
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    }
    generateReturnStatement();
  }

  private Statement generateUrl(JaxrsResourceMethodParameters params) {
    BlockStatement block = new BlockStatement();
    block.addStatement(Stmt.declareVariable("url", StringBuilder.class,
        Stmt.newObject(StringBuilder.class, new StringStatement("getBaseUrl()"))));

    // construct path using @PathParams and @MatrixParams
    String path = resourceMethod.getPath();
    ContextualStatementBuilder pathValue = Stmt.loadLiteral(path);

    for (String pathParamName : JaxrsResourceMethodParameters.getPathParameterNames(path)) {
      Statement pathParam = marshal(params.getPathParameter(pathParamName));
      if (params.needsEncoding(pathParamName)) {
        pathParam = encodePath(pathParam);
      }
      pathValue = pathValue.invoke("replace", "{" + pathParamName + "}", pathParam);
    }

    if (params.getMatrixParameters() != null) {
      for (String matrixParamName : params.getMatrixParameters().keySet()) {
        pathValue = pathValue.invoke("concat", ";" + matrixParamName + "=")
            .invoke("concat", encodePath(marshal(params.getMatrixParameter(matrixParamName))));
      }
    }
    ContextualStatementBuilder urlBuilder = Stmt.loadVariable("url").invoke(APPEND, pathValue);

    // construct query using @QueryParams
    if (params.getQueryParameters() != null) {
      urlBuilder = urlBuilder.invoke(APPEND, "?");

      int i = 0;
      for (String queryParamName : params.getQueryParameters().keySet()) {
        for (Statement queryParam : params.getQueryParameters(queryParamName)) {
          if (i++ > 0)
            urlBuilder = urlBuilder.invoke(APPEND, "&");

          urlBuilder = urlBuilder.invoke(APPEND, queryParamName).invoke(APPEND, "=")
              .invoke(APPEND, encodeQuery(marshal(queryParam)));
        }
      }
    }

    if (urlBuilder != null)
      block.addStatement(urlBuilder);

    return block;
  }
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    return requestBuilder;
  }

  private Statement generateHeaders(JaxrsResourceMethodParameters params) {
    BlockStatement block = new BlockStatement();

    // set headers based on method and class
    for (String key : resourceMethod.getHeaders().keySet()) {
      block.addStatement(Stmt.loadVariable("requestBuilder").invoke("setHeader", key,
          resourceMethod.getHeaders().get(key)));
    }

    // set headers based on @HeaderParams
    if (params.getHeaderParameters() != null) {
      for (String headerParamName : params.getHeaderParameters().keySet()) {
        ContextualStatementBuilder headerValueBuilder = Stmt.nestedCall(Stmt.newObject(StringBuilder.class));

        int i = 0;
        for (Statement headerParam : params.getHeaderParameters(headerParamName)) {
          if (i++ > 0) {
            headerValueBuilder = headerValueBuilder.invoke(APPEND, ",");
          }
          headerValueBuilder = headerValueBuilder.invoke(APPEND, marshal(headerParam));
        }

        block.addStatement(Stmt.loadVariable("requestBuilder").invoke("setHeader", headerParamName,
            headerValueBuilder.invoke("toString")));
      }
    }

    // set cookies based on @CookieParams
    if (params.getCookieParameters() != null) {
      for (String cookieName : params.getCookieParameters().keySet()) {
        Statement cookieParam = params.getCookieParameters().get(cookieName).get(0);

        ContextualStatementBuilder setCookie = (cookieParam instanceof Parameter) ?
            Stmt.loadVariable(((Parameter) cookieParam).getName()) :
              Stmt.nestedCall(cookieParam);

        setCookie.if_(BooleanOperator.NotEquals, null)
            .append(Stmt.invokeStatic(Cookies.class, "setCookie", cookieName, marshal(cookieParam)))
            .finish();

        block.addStatement(setCookie);
      }
    }
    return block.isEmpty() ? null : block;
  }
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Related Classes of org.jboss.errai.codegen.BlockStatement

  • org.jboss.errai.bus.rebind.ProxyUtil
  • org.jboss.errai.bus.rebind.RpcProxyGenerator
  • org.jboss.errai.bus.rebind.RPCProxyUtil
  • org.jboss.errai.codegen.builder.impl.BlockBuilderImpl
  • org.jboss.errai.codegen.builder.impl.LoopBuilderImpl
  • org.jboss.errai.codegen.control.AbstractConditionalBlock
  • org.jboss.errai.codegen.control.SwitchBlock
  • org.jboss.errai.codegen.control.TryBlock
  • org.jboss.errai.codegen.meta.impl.build.BuildMetaClass
  • org.jboss.errai.codegen.util.ProxyUtil
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