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

Example 56 with BeetlException

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

the class WhileStatement method execute.

@Override
public void execute(Context ctx) {
    if (this.hasGoto) {
        while (true) {
            Object result = exp.evaluate(ctx);
            if (result instanceof Boolean) {
                if ((Boolean) result) {
                    whileBody.execute(ctx);
                    switch(ctx.gotoFlag) {
                        case IGoto.NORMAL:
                            break;
                        case IGoto.CONTINUE:
                            ctx.gotoFlag = IGoto.NORMAL;
                            continue;
                        case IGoto.RETURN:
                            return;
                        case IGoto.BREAK:
                            ctx.gotoFlag = IGoto.NORMAL;
                            return;
                    }
                } else {
                    break;
                }
            } else {
                BeetlException be = new BeetlException(BeetlException.BOOLEAN_EXPECTED_ERROR);
                be.pushToken(exp.token);
                throw be;
            }
        }
    } else {
        while (true) {
            Object result = exp.evaluate(ctx);
            if (result instanceof Boolean) {
                if ((Boolean) result) {
                    whileBody.execute(ctx);
                } else {
                    break;
                }
            } else {
                BeetlException be = new BeetlException(BeetlException.BOOLEAN_EXPECTED_ERROR);
                be.pushToken(exp.token);
                throw be;
            }
        }
    }
}

Example 57 with BeetlException

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

the class SwitchStatement method execute.

@Override
public void execute(Context ctx) {
    Object o = value.evaluate(ctx);
    if (o == null) {
        BeetlException ex = new BeetlException(BeetlException.NULL);
        ex.pushToken(value.token);
        throw ex;
    }
    boolean isMatch = false;
    for (Expression exp : condtionsList) {
        if (isMatch || ALU.equals(o, exp.evaluate(ctx))) {
            isMatch = true;
            BlockStatement block = map.get(exp);
            if (block != null) {
                block.execute(ctx);
                switch(ctx.gotoFlag) {
                    case IGoto.NORMAL:
                        break;
                    case IGoto.RETURN:
                        return;
                    case IGoto.BREAK:
                        ctx.gotoFlag = IGoto.NORMAL;
                        return;
                }
            } else {
                // 匹配下一个Block
                continue;
            }
        } else {
            continue;
        }
    }
    if (!isMatch && defaultBlock != null) {
        defaultBlock.execute(ctx);
        switch(ctx.gotoFlag) {
            case IGoto.NORMAL:
                break;
            case IGoto.RETURN:
                return;
            case IGoto.BREAK:
                ctx.gotoFlag = IGoto.NORMAL;
                return;
        }
    }
}

Example 58 with BeetlException

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

the class TagVarBindingStatement method runTag.

@Override
protected void runTag(Tag tag, Context ctx) {
    try {
        if (tag instanceof HTMLTagVarBindingWrapper) {
            HTMLTagVarBindingWrapper htmlTag = (HTMLTagVarBindingWrapper) tag;
            // 初始化
            Object[] vars = htmlTag.bindVars();
            if (vars != null) {
                for (int i = 0; i < vars.length; i++) {
                    ctx.vars[varIndexs[i].getVarIndex()] = vars[i];
                }
            }
            LinkedHashMap<String, Integer> indexMap = new LinkedHashMap<String, Integer>(this.varIndexs.length);
            for (VarDefineNode node : this.varIndexs) {
                indexMap.put(node.token.text, node.varIndex);
            }
            htmlTag.mapName2Index(indexMap);
        } else {
            BeetlException be = new BeetlException(BeetlException.ERROR, "tag必须是HTMLTagVarBindingWrapper");
            be.pushToken(this.token);
            throw be;
        }
        tag.render();
    } catch (BeetlException ex) {
        // BeetlException异常时不要设置token，因为抛出的地方已经设置了
        throw ex;
    } catch (RuntimeException ex) {
        BeetlException be = new BeetlException(BeetlException.ERROR, "tag执行抛错", ex);
        be.pushToken(token);
        throw be;
    }
}

Example 59 with BeetlException

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

the class TernaryExpression method evaluate.

public Object evaluate(Context ctx) {
    Object value = condtion.evaluate(ctx);
    if (value == null) {
        BeetlException be = new BeetlException(BeetlException.NULL);
        be.pushToken(condtion.token);
        throw be;
    } else if (!(value instanceof Boolean)) {
        BeetlException be = new BeetlException(BeetlException.BOOLEAN_EXPECTED_ERROR);
        be.pushToken(condtion.token);
        throw be;
    }
    boolean cond = (Boolean) value;
    if (cond) {
        return a.evaluate(ctx);
    } else {
        if (b != null) {
            return b.evaluate(ctx);
        } else {
            return null;
        }
    }
}

Example 60 with BeetlException

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

the class VarRef method evaluateUntilLast.

/**
 * 计算所有表达式，知道最后一值，用于a.b[xx].c = 1  赋值，只计算到a.b[xx]
 * @param ctx
 * @return
 */
public Object evaluateUntilLast(Context ctx) {
    if (attributes.length == 0) {
        // 不可能发生，除非beetl写错了，先放在着
        throw new RuntimeException();
    }
    Object value = ctx.vars[varIndex];
    if (value == Context.NOT_EXIST_OBJECT) {
        BeetlException ex = new BeetlException(BeetlException.VAR_NOT_DEFINED);
        ex.pushToken(this.firstToken);
        throw ex;
    }
    if (value == null) {
        BeetlException ex = new BeetlException(BeetlException.NULL);
        ex.pushToken(this.firstToken);
        throw ex;
    }
    for (int i = 0; i < attributes.length - 1; i++) {
        VarAttribute attr = attributes[i];
        if (value == null) {
            BeetlException be = new BeetlException(BeetlException.NULL, "空指针");
            if (i == 0) {
                be.pushToken(this.firstToken);
            } else {
                be.pushToken(attributes[i - 1].token);
            }
            throw be;
        }
        try {
            value = attr.evaluate(ctx, value);
        } catch (BeetlException ex) {
            ex.pushToken(attr.token);
            throw ex;
        } catch (RuntimeException ex) {
            BeetlException be = new BeetlException(BeetlException.ATTRIBUTE_INVALID, "属性访问出错", ex);
            be.pushToken(attr.token);
            throw be;
        }
    }
    return value;
}