Examples with BeetlException org.beetl.core.exception.BeetlException used on opensource projects

Example 26 with BeetlException

use of org.beetl.core.exception.BeetlException in project beetl2.0 by javamonkey.

the class NativeCallExpression method infer.

@Override
public void infer(InferContext inferCtx) {
    Type type = null;
    if (insNode != null) {
        insNode.ref.infer(inferCtx);
        type = insNode.ref.type.copy();
    } else {
        Class cls = inferCtx.gt.loadClassBySimpleName(this.clsNode.cls);
        if (cls == null) {
            BeetlException be = new BeetlException(BeetlException.NATIVE_CALL_EXCEPTION, "该类不存在");
            be.pushToken(GrammarToken.createToken(clsNode.cls, token.line));
            throw be;
        }
        type = new Type(cls);
    }
    for (NativeNode node : chain) {
        if (type.cls == Object.class) {
            this.type = type;
            // 以后生成代码有问题
            return;
        }
        if (node instanceof NativeAtrributeNode) {
            String attr = ((NativeAtrributeNode) node).attribute;
            try {
                Field f = type.cls.getField(attr);
                Class c = f.getType();
                type.cls = c;
            } catch (SecurityException e) {
                BeetlException be = new BeetlException(BeetlException.NATIVE_CALL_EXCEPTION, "无法访问属性", e);
                be.pushToken(GrammarToken.createToken(attr, token.line));
                throw be;
            } catch (NoSuchFieldException e) {
                BeetlException be = new BeetlException(BeetlException.NATIVE_CALL_EXCEPTION, "无此属性", e);
                be.pushToken(GrammarToken.createToken(attr, token.line));
                throw be;
            }
        } else if (node instanceof NativeArrayNode) {
            if (!type.cls.isArray()) {
                BeetlException be = new BeetlException(BeetlException.ARRAY_TYPE_ERROR);
                // 最好是把上一个字符显示出来
                be.pushToken(GrammarToken.createToken("[]", token.line));
                throw be;
            }
            type.cls = type.cls.getComponentType();
        } else if (node instanceof NativeMethodNode) {
            NativeMethodNode methodNode = (NativeMethodNode) node;
            String method = methodNode.method;
            Expression[] expList = methodNode.paras;
            Class[] argTypes = expList.length == 0 ? ObjectUtil.EMPTY_CLASS_ARRAY : new Class[expList.length];
            for (int i = 0; i < expList.length; i++) {
                expList[i].infer(inferCtx);
                argTypes[i] = expList[i].type.cls;
            }
            try {
                ObjectMethodMatchConf conf = ObjectUtil.findMethod(type.cls, method, argTypes);
                if (conf == null) {
                    type.cls = Object.class;
                } else {
                    type.cls = conf.method.getReturnType();
                }
            } catch (SecurityException e) {
                BeetlException be = new BeetlException(BeetlException.NATIVE_CALL_EXCEPTION, "不能调用方法");
                be.pushToken(GrammarToken.createToken(method, token.line));
                throw be;
            }
        }
    }
    this.type = type;
}

Example 27 with BeetlException

use of org.beetl.core.exception.BeetlException in project beetl2.0 by javamonkey.

the class Json method call.

@Override
public Object call(Object[] paras, Context ctx) {
    if (tool == null) {
        return "找不到JSonTool工具,https://git.oschina.net/xiandafu/beetl-json/attach_files 下载并放到classpath下";
    }
    Object o = paras[0];
    String policy = "";
    if (paras.length == 2) {
        policy = paras[1].toString();
    }
    Method m;
    try {
        m = tool.getClass().getMethod("serialize", new Class[] { Object.class, String.class });
    } catch (Exception e) {
        throw new BeetlException(BeetlException.NATIVE_CALL_EXCEPTION, "BTJsonTool出错");
    }
    String json;
    try {
        json = (String) m.invoke(tool, new Object[] { o, policy });
    } catch (Exception e) {
        throw new BeetlException(BeetlException.NATIVE_CALL_EXCEPTION, "BTJsonTool 序列化对象出错", e);
    }
    return json;
}

Example 28 with BeetlException

use of org.beetl.core.exception.BeetlException in project beetl2.0 by javamonkey.

the class SelectStatement method execute.

@Override
public void execute(Context ctx) {
    Object base = null;
    if (value != null) {
        base = value.evaluate(ctx);
        if (base == null) {
            BeetlException ex = new BeetlException(BeetlException.NULL);
            ex.pushToken(value.token);
            throw ex;
        }
    }
    boolean isMatch = false;
    for (int i = 0; i < conditions.length; i++) {
        Expression exp = conditions[i];
        Object condValue = exp.evaluate(ctx);
        if (value == null) {
            if (condValue instanceof Boolean) {
                isMatch = (Boolean) condValue;
            } else {
                BeetlException be = new BeetlException(BeetlException.BOOLEAN_EXPECTED_ERROR);
                be.pushToken(exp.token);
                throw be;
            }
        } else {
            if (ALU.equals(base, condValue)) {
                isMatch = true;
            }
        }
        if (isMatch) {
            BlockStatement block = this.blocks[i];
            if (block != null) {
                block.execute(ctx);
            }
            break;
        }
    }
    if (!isMatch && defaultBlock != null) {
        defaultBlock.execute(ctx);
    }
}

Example 29 with BeetlException

use of org.beetl.core.exception.BeetlException in project beetl2.0 by javamonkey.

the class TagStatement method execute.

@Override
public void execute(Context ctx) {
    Tag tag = null;
    try {
        TagFactory tagFactory = ctx.gt.getTagFactory(this.tagName);
        tag = tagFactory.createTag();
        Object[] args = null;
        if (paras.length == 0) {
            args = ObjectUtil.EMPTY_OBJECT_ARRAY;
        } else {
            args = new Object[paras.length];
            for (int i = 0; i < args.length; i++) {
                args[i] = paras[i].evaluate(ctx);
            }
        }
        tag.init(ctx, args, block);
        runTag(tag, ctx);
    } catch (BeetlException ex) {
        ex.pushToken(this.token);
        throw ex;
    } catch (RuntimeException ex) {
        BeetlException bex = new BeetlException(BeetlException.TAG_INSTANCE_ERROR, ex.getMessage(), ex);
        bex.pushToken(token);
        throw bex;
    }
}

Example 30 with BeetlException

use of org.beetl.core.exception.BeetlException in project beetl2.0 by javamonkey.

the class VarRefAssignStatement method execute.

public void execute(Context ctx) {
    Object value = exp.evaluate(ctx);
    Object obj = varRef.evaluateUntilLast(ctx);
    Object key = null;
    if (lastVarAttribute instanceof VarSquareAttribute) {
        key = (((VarSquareAttribute) lastVarAttribute).exp).evaluate(ctx);
    } else {
        key = lastVarAttribute.name;
    }
    try {
        ObjectAA.defaultObjectAA().setValue(obj, key, value);
    } catch (ClassCastException ex) {
        BeetlException bx = new BeetlException(BeetlException.ATTRIBUTE_INVALID, ex);
        bx.pushToken(lastVarAttribute.token);
        throw bx;
    } catch (BeetlException be) {
        be.pushToken(lastVarAttribute.token);
        throw be;
    }
}