Java tutorial
/******************************************************************************* * Copyright 2016 Fredhopper B.V. * * 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 * * http://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 com.fredhopper.core.connector.index.generate.validator; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.Optional; import org.apache.commons.lang3.StringUtils; import org.springframework.util.CollectionUtils; import com.fredhopper.core.connector.index.generate.data.FhAttributeBaseType; import com.fredhopper.core.connector.index.generate.data.FhAttributeData; import com.fredhopper.core.connector.index.report.Violation; import com.google.common.collect.Table; public class TextAttributeValidator extends AbstractAttributeValidator { @Override public boolean supports(final FhAttributeData attribute) { return attribute.getBaseType().equals(FhAttributeBaseType.TEXT) ? true : false; } @Override protected boolean isValidSize(final FhAttributeData attribute, final List<Violation> violations) { final Table<Optional<String>, Optional<Locale>, String> values = attribute.getValues(); if (values.isEmpty() || values.rowKeySet().size() != 1) { rejectValue(attribute, violations, "The \"text\" attribute can only have one value."); return false; } return true; } @Override protected boolean hasValidValueId(final FhAttributeData attribute, final List<Violation> violations) { final Table<Optional<String>, Optional<Locale>, String> values = attribute.getValues(); if (!values.containsRow(Optional.empty())) { rejectValue(attribute, violations, "The \"text\" attribute value does not have an identifier."); return false; } return true; } @Override protected void validateValue(final FhAttributeData attribute, final List<Violation> violations) { final Table<Optional<String>, Optional<Locale>, String> values = attribute.getValues(); final Map<Optional<Locale>, String> valueMap = values.row(Optional.empty()); if (CollectionUtils.isEmpty(valueMap) || valueMap.entrySet().size() != 1 || !valueMap.containsKey(Optional.empty())) { rejectValue(attribute, violations, "The \"text\" attribute value cannot be localized."); return; } final String value = valueMap.get(Optional.empty()); if (StringUtils.isBlank(value)) { rejectValue(attribute, violations, "The \"text\" attribute value must not be blank."); } } }