| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.struts2.views.java; |
| |
| import org.apache.commons.text.StringEscapeUtils; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.struts2.views.TagAttribute; |
| |
| import java.util.LinkedHashMap; |
| |
| /** |
| * Map of tag attributes, used for rendering the tags |
| */ |
| public class Attributes extends LinkedHashMap<String, String> { |
| |
| private static final long serialVersionUID = 4103241472140545630L; |
| |
| public Attributes add(String key, String value) { |
| return add(key, value, true); |
| } |
| |
| public Attributes add(String key, String value, boolean encode) { |
| put(key, (encode ? StringUtils.defaultString(StringEscapeUtils.escapeHtml4(value)) : value)); |
| return this; |
| } |
| |
| /** |
| * Add a key/value pair to the attributes only if the value is not null. Value |
| * is html encoded |
| * @param attrName attribute name |
| * @param paramValue value of attribute |
| * @return this |
| */ |
| public Attributes addIfExists(String attrName, Object paramValue) { |
| return addIfExists(attrName, paramValue, true); |
| } |
| |
| /** |
| * Add a key/value pair to the attributes only if the value is not null. |
| * @param attrName attribute name |
| * @param paramValue value of attribute |
| * @param encode html encode the value |
| * @return this |
| */ |
| public Attributes addIfExists(String attrName, Object paramValue, boolean encode) { |
| if (paramValue != null) { |
| String val = paramValue.toString(); |
| if (paramValue instanceof TagAttribute) { |
| val = ((TagAttribute) paramValue).getValue(); |
| } |
| if (StringUtils.isNotBlank(val)) |
| put(attrName, (encode ? StringUtils.defaultString(StringEscapeUtils.escapeHtml4(val)) : val)); |
| } |
| return this; |
| } |
| |
| /** |
| * Add a key/value pair to the attributes only if the value is not null and is a boolean with a |
| * value of 'true'. Value is html encoded |
| * @param attrName attribute name |
| * @param paramValue value of attribute |
| * @return this |
| */ |
| public Attributes addIfTrue(String attrName, Object paramValue) { |
| if (paramValue != null) { |
| if ((paramValue instanceof Boolean && ((Boolean) paramValue).booleanValue()) || |
| (Boolean.valueOf(paramValue.toString()).booleanValue())) { |
| put(attrName, attrName); |
| } |
| } |
| return this; |
| } |
| |
| /** |
| * Add a key/value pair to the attributes, if the value is null, it will be set as an empty string. |
| * Value is html encoded. |
| * @param attrName attribute name |
| * @param paramValue value of attribute |
| * @return this |
| */ |
| public Attributes addDefaultToEmpty(String attrName, Object paramValue) { |
| return addDefaultToEmpty(attrName, paramValue, true); |
| } |
| |
| /** |
| * Add a key/value pair to the attributes, if the value is null, it will be set as an empty string. |
| * @param attrName attribute name |
| * @param paramValue value of attribute |
| * @param encode html encode the value |
| * @return this |
| */ |
| public Attributes addDefaultToEmpty(String attrName, Object paramValue, boolean encode) { |
| if (paramValue != null) { |
| String val = paramValue.toString(); |
| put(attrName, (encode ? StringUtils.defaultString(StringEscapeUtils.escapeHtml4(val)) : val)); |
| } else { |
| put(attrName, ""); |
| } |
| return this; |
| } |
| } |