org.noear.solon.validation.annotation.NotEmptyValidator Maven / Gradle / Ivy
/*
* Copyright 2017-2024 noear.org and authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.noear.solon.validation.annotation;
import org.noear.solon.Utils;
import org.noear.solon.core.handle.Context;
import org.noear.solon.core.handle.Result;
import org.noear.solon.validation.Validator;
import java.util.Collection;
/**
*
* @author noear
* @since 1.0
* */
public class NotEmptyValidator implements Validator {
public static final NotEmptyValidator instance = new NotEmptyValidator();
@Override
public String message(NotEmpty anno) {
return anno.message();
}
@Override
public Class[] groups(NotEmpty anno) {
return anno.groups();
}
@Override
public Result validateOfValue(NotEmpty anno, Object val0, StringBuilder tmp) {
if (val0 instanceof String) {
String val = (String) val0;
if (Utils.isEmpty(val)) {
return Result.failure();
} else {
return Result.succeed();
}
} else if (val0 instanceof Collection) {
Collection val = (Collection) val0;
if (val.size() == 0) {
return Result.failure();
} else {
return Result.succeed();
}
}
return Result.failure();
}
@Override
public Result validateOfContext(Context ctx, NotEmpty anno, String name, StringBuilder tmp) {
if (name == null) {
//来自函数
for (String key : anno.value()) {
if (Utils.isEmpty(ctx.param(key))) {
tmp.append(',').append(key);
}
}
} else {
//来自参数
if (Utils.isEmpty(ctx.param(name))) {
tmp.append(',').append(name);
}
}
if (tmp.length() > 1) {
return Result.failure(tmp.substring(1));
} else {
return Result.succeed();
}
}
}