/**
* 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.camel.model.language;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;
import org.apache.camel.CamelContext;
import org.apache.camel.Expression;
import org.apache.camel.Predicate;
import org.apache.camel.language.tokenizer.TokenizeLanguage;
import org.apache.camel.spi.Metadata;
import org.apache.camel.util.ExpressionToPredicateAdapter;
/**
* For expressions and predicates using a body or header tokenizer
*
* @see TokenizeLanguage
*/
@Metadata(firstVersion = "2.0.0", label = "language,core", title = "Tokenize")
@XmlRootElement(name = "tokenize")
@XmlAccessorType(XmlAccessType.FIELD)
public class TokenizerExpression extends ExpressionDefinition {
@XmlAttribute(required = true)
private String token;
@XmlAttribute
private String endToken;
@XmlAttribute
private String inheritNamespaceTagName;
@XmlAttribute
private String headerName;
@XmlAttribute
private Boolean regex;
@XmlAttribute
private Boolean xml;
@XmlAttribute
private Boolean includeTokens;
@XmlAttribute
private Integer group;
@XmlAttribute
private Boolean skipFirst;
public TokenizerExpression() {
}
@Override
public String getLanguage() {
return "tokenize";
}
public String getToken() {
return token;
}
/**
* The (start) token to use as tokenizer, for example \n for a new line token.
* You can use simple language as the token to support dynamic tokens.
*/
public void setToken(String token) {
this.token = token;
}
public String getEndToken() {
return endToken;
}
/**
* The end token to use as tokenizer if using start/end token pairs.
* You can use simple language as the token to support dynamic tokens.
*/
public void setEndToken(String endToken) {
this.endToken = endToken;
}
public String getHeaderName() {
return headerName;
}
/**
* Name of header to tokenize instead of using the message body.
*/
public void setHeaderName(String headerName) {
this.headerName = headerName;
}
/**
* If the token is a regular expression pattern.
* <p/>
* The default value is false
*/
public void setRegex(boolean regex) {
this.regex = regex;
}
public Boolean getRegex() {
return regex;
}
public String getInheritNamespaceTagName() {
return inheritNamespaceTagName;
}
/**
* To inherit namespaces from a root/parent tag name when using XML
* You can use simple language as the tag name to support dynamic names.
*/
public void setInheritNamespaceTagName(String inheritNamespaceTagName) {
this.inheritNamespaceTagName = inheritNamespaceTagName;
}
public Boolean getXml() {
return xml;
}
/**
* Whether the input is XML messages.
* This option must be set to true if working with XML payloads.
*/
public void setXml(Boolean xml) {
this.xml = xml;
}
public Boolean getIncludeTokens() {
return includeTokens;
}
/**
* Whether to include the tokens in the parts when using pairs
* <p/>
* The default value is false
*/
public void setIncludeTokens(Boolean includeTokens) {
this.includeTokens = includeTokens;
}
public Integer getGroup() {
return group;
}
/**
* To group N parts together, for example to split big files into chunks of 1000 lines.
*/
public void setGroup(Integer group) {
this.group = group;
}
public Boolean getSkipFirst() {
return skipFirst;
}
/**
* To skip the very first element
*/
public void setSkipFirst(Boolean skipFirst) {
this.skipFirst = skipFirst;
}
@Override
public Expression createExpression(CamelContext camelContext) {
// special for new line tokens, if defined from XML then its 2 characters, so we replace that back to a single char
if (token.startsWith("\\n")) {
token = '\n' + token.substring(2);
}
TokenizeLanguage language = new TokenizeLanguage();
language.setToken(token);
language.setEndToken(endToken);
language.setInheritNamespaceTagName(inheritNamespaceTagName);
language.setHeaderName(headerName);
if (regex != null) {
language.setRegex(regex);
}
if (xml != null) {
language.setXml(xml);
}
if (includeTokens != null) {
language.setIncludeTokens(includeTokens);
}
if (group != null) {
if (group <= 0) {
throw new IllegalArgumentException("Group must be a positive number, was: " + group);
}
language.setGroup(group);
}
if (skipFirst != null) {
language.setSkipFirst(skipFirst);
}
return language.createExpression();
}
@Override
public Predicate createPredicate(CamelContext camelContext) {
Expression exp = createExpression(camelContext);
return ExpressionToPredicateAdapter.toPredicate(exp);
}
@Override
public String toString() {
if (endToken != null) {
return "tokenize{body() using tokens: " + token + "..." + endToken + "}";
} else {
return "tokenize{" + (headerName != null ? "header: " + headerName : "body()") + " using token: " + token + "}";
}
}
}