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package io.github.ro4.annotation; |
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import io.github.ro4.CheckTemplate; |
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import io.github.ro4.Context; |
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import io.github.ro4.check.CheckResult; |
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import io.github.ro4.check.ExceptionProvider; |
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import io.github.ro4.constant.MagicMark; |
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import org.aopalliance.intercept.MethodInterceptor; |
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import org.aopalliance.intercept.MethodInvocation; |
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import org.springframework.validation.BindingResult; |
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public class CheckableMethodInterceptor implements MethodInterceptor { |
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private CheckTemplate checkTemplate; |
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private ExceptionProvider<?> exceptionProvider; |
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public void setCheckTemplate(CheckTemplate checkTemplate) { |
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this.checkTemplate = checkTemplate; |
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} |
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public void setExceptionProvider(ExceptionProvider<?> exceptionProvider) { |
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this.exceptionProvider = exceptionProvider; |
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} |
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@Override |
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public Object invoke(MethodInvocation methodInvocation) throws Throwable { |
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Checkable anno = methodInvocation.getMethod().getAnnotation(Checkable.class); |
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boolean stopOnFirstFailure = anno.stopOnFirstFailure(); |
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Object[] args = methodInvocation.getArguments(); |
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BindingResult bindingResult = new CheckResult(methodInvocation.getMethod().getName()); |
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for (CheckRule checkRule : anno.value()) { |
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Context ctx = new Context(); |
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for (int i = 0; i < args.length; i++) { |
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ctx.setAttribute(MagicMark.ARGS_NAME + i, args[i]); |
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} |
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ctx.setAttribute(MagicMark.EXPRESSION, checkRule.expression()); |
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ctx.setAttribute(MagicMark.MESSAGE, checkRule.message()); |
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if (checkTemplate.check(ctx)) { |
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continue; |
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} |
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bindingResult.reject(checkRule.field(), checkRule.message()); |
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if (stopOnFirstFailure) { |
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break; |
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} |
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} |
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if (bindingResult.hasErrors()) { |
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RuntimeException throwable = exceptionProvider.produce(bindingResult); |
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if (throwable != null) { |
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throw throwable; |
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} |
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} |
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return methodInvocation.proceed(); |
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} |
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} |
ro4 /
vanilla
