Added support for boolean and lists
This commit is contained in:
parent
9f5922a0be
commit
51967859b6
2 changed files with 215 additions and 88 deletions
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@ -27,6 +27,7 @@ import zutil.struct.MutableInt;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.logging.Level;
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@ -43,18 +44,26 @@ import java.util.logging.Logger;
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* <b> {{obj.attr}} </b><br>
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* Will be replaced with the string from the key.</li>
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* <li><b> {{#key}}...{{/key}} </b><br>
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* Will display content between the tags if key is defined.</li>
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* <li><b>{{^key}}</b><br>
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* A negative condition, will display content if key is not set.</li>
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* <b> {{#obj.attr}}...{{/obj.attr}} </b><br>
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* Will display content between the tags if:
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* key is defined,
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* if the key references a list the content will be iterated
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* for every element, the element can be referenced by the tag {{.}},
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* if key is a true boolean (false will not display content).</li>
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* <li><b> {{^key}}</b><br>
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* <b> {{^obj.attr}}...{{/obj.attr}} </b><br>
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* A negative condition, will display content if:
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* the key is undefined,
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* the key is a empty list,
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* the key is a false boolean.</li>
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* <li><b>{{! ignore me }}</b><br>
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* Comment, will be ignored.</li>
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* </ul>
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*
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* TODO:
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* * {{#person}}: support for boolean
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* * {{#person}}: support for iterators
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* * {{> file}}: include file
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* * {{=<% %>=}}: change delimiter
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* TODO: {{#key}}: support for boolean
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* TODO: {{> file}}: include file
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* TODO: {{=<% %>=}}: change delimiter
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*
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* @author Ziver koc
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*/
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public class Templator {
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@ -160,23 +169,6 @@ public class Templator {
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}
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/**************************** Utility functions *************************************/
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public static Object getFieldValue(Object obj, String attrib){
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try {
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for (Field field : obj.getClass().getDeclaredFields()) {
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if(field.getName().equals(attrib)) {
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field.setAccessible(true);
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return field.get(obj);
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}
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}
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}catch (IllegalAccessException e){
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log.log(Level.WARNING, null, e);
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}
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return null;
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}
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/**************************** Template Helper Classes *************************************/
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protected interface TemplateEntity {
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@ -207,28 +199,53 @@ public class Templator {
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}
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protected class TemplateCondition extends TemplateNode {
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private String key;
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private TemplateDataAttribute attrib;
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public TemplateCondition(String key){
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this.key = key.trim();
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this.attrib = new TemplateDataAttribute(key);
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}
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public void compile(StringBuilder str) {
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if(data.containsKey(key))
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super.compile(str);
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Object obj = attrib.getObject();
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if(obj != null) {
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if(obj instanceof Boolean){
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if ((Boolean) obj)
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super.compile(str);
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}
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else if(obj instanceof Iterable){
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for(Object o : (Iterable)obj){ // Iterate through the whole list
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set(".", o);
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super.compile(str);
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}
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set(".", null);
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}
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else
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super.compile(str);
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}
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}
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}
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protected class TemplateNegativeCondition extends TemplateNode {
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private String key;
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private TemplateDataAttribute attrib;
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public TemplateNegativeCondition(String key){
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this.key = key.trim();
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this.attrib = new TemplateDataAttribute(key);
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}
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public void compile(StringBuilder str) {
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if( ! data.containsKey(key))
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Object obj = attrib.getObject();
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if(obj == null)
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super.compile(str);
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else {
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if(obj instanceof Boolean) {
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if ( ! (Boolean) obj)
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super.compile(str);
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}
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else if(obj instanceof Collection) {
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if (((Collection) obj).isEmpty())
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super.compile(str);
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}
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}
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}
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}
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@ -245,30 +262,54 @@ public class Templator {
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}
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protected class TemplateDataAttribute implements TemplateEntity {
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private String tag;
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private String key;
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private String attrib;
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public TemplateDataAttribute(String key){
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String[] s = key.trim().split("\\.", 2);
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public TemplateDataAttribute(String tag){
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this.tag = tag;
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String[] s = tag.trim().split("\\.", 2);
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this.key = s[0];
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if(s.length > 1)
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this.attrib = s[1];
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}
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public void compile(StringBuilder str) {
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if (data.containsKey(key)) {
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public Object getObject(){
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if (data.containsKey(tag))
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return data.get(tag);
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else if (data.containsKey(key)) {
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if (attrib != null) {
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Object obj = getFieldValue(data.get(key), attrib);
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if(obj != null)
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str.append(obj.toString());
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else
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str.append("{{").append(key).append(".").append(attrib).append("}}");
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return obj;
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}
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else
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str.append(data.get(key).toString());
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return data.get(key);
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}
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return null;
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}
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protected Object getFieldValue(Object obj, String attrib){
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try {
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for (Field field : obj.getClass().getDeclaredFields()) {
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if(field.getName().equals(attrib)) {
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field.setAccessible(true);
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return field.get(obj);
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}
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}
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}catch (IllegalAccessException e){
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log.log(Level.WARNING, null, e);
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}
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return null;
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}
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public void compile(StringBuilder str) {
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Object obj = getObject();
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if(obj != null)
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str.append(obj.toString());
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else
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str.append("{{").append(key).append("}}");
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str.append("{{").append(tag).append("}}");
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}
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}
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}
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@ -25,6 +25,10 @@ package zutil.test;
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import org.junit.Test;
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import zutil.parser.Templator;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import static org.junit.Assert.*;
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/**
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@ -35,27 +39,10 @@ public class TemplatorTest {
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public String attr;
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}
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@Test
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public void emptyAttributeTest(){
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Templator tmpl = new Templator("<HTML>{{test}}</HTML>");
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assertEquals("<HTML>{{test}}</HTML>", tmpl.compile());
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}
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@Test
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public void simpleAttributeTest() {
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Templator tmpl = new Templator("<HTML>{{test}}</HTML>");
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tmpl.set("test", "1234");
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assertEquals("<HTML>1234</HTML>", tmpl.compile());
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}
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@Test
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public void objectAttributeTest(){
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Templator tmpl = new Templator("<HTML>{{test.attr}}</HTML>");
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TestClass obj = new TestClass();
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obj.attr = "1234";
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tmpl.set("test", obj);
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assertEquals("<HTML>1234</HTML>", tmpl.compile());
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}
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@Test
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public void incorrectTagsTest(){
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public void tagIncorrectTest(){
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assertEquals("<HTML>{{</HTML>",
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new Templator("<HTML>{{</HTML>").compile());
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assertEquals("<HTML>}}</HTML>",
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@ -73,27 +60,30 @@ public class TemplatorTest {
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assertEquals("<HTML>{test}</HTML>",
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new Templator("<HTML>{test}</HTML>").compile());
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}
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@Test
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public void attributeEmptyTest(){
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Templator tmpl = new Templator("<HTML>{{test}}</HTML>");
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assertEquals("<HTML>{{test}}</HTML>", tmpl.compile());
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}
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@Test
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public void attributeSimpleTest() {
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Templator tmpl = new Templator("<HTML>{{test}}</HTML>");
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tmpl.set("test", "1234");
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assertEquals("<HTML>1234</HTML>", tmpl.compile());
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}
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@Test
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public void attributeObjectTest(){
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Templator tmpl = new Templator("<HTML>{{test.attr}}</HTML>");
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TestClass obj = new TestClass();
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obj.attr = "1234";
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tmpl.set("test", obj);
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assertEquals("<HTML>1234</HTML>", tmpl.compile());
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}
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@Test
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public void emptyConditionTest(){
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Templator tmpl = new Templator(
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"<HTML>{{#key}}123456789{{/key}}</HTML>");
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assertEquals(
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"<HTML></HTML>",
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tmpl.compile());
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}
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@Test
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public void simpleConditionTest(){
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Templator tmpl = new Templator(
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"<HTML>{{#key}}123456789{{/key}}</HTML>");
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tmpl.set("key", "set");
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assertEquals(
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"<HTML>123456789</HTML>",
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tmpl.compile());
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}
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@Test
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public void incompleteConditionTest(){
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public void conditionIncompleteTest(){
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assertEquals("<HTML>{{#key}}</HTML>",
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new Templator("<HTML>{{#key}}</HTML>").compile());
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assertEquals("<HTML>{{/key}}</HTML>",
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@ -103,25 +93,122 @@ public class TemplatorTest {
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assertEquals("<HTML></HTML>",
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new Templator("<HTML>{{#key}}{{/key}}</HTML>").compile());
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}
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@Test
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public void emptyNegativeConditionTest(){
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public void conditionEmptyTest(){
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Templator tmpl = new Templator(
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"<HTML>{{^key}}123456789{{/key}}</HTML>");
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"<HTML>{{#key}}123456789{{/key}}</HTML>");
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assertEquals(
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"<HTML></HTML>",
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tmpl.compile());
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}
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@Test
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public void conditionSimpleTest(){
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Templator tmpl = new Templator(
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"<HTML>{{#key}}123456789{{/key}}</HTML>");
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tmpl.set("key", "set");
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assertEquals(
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"<HTML>123456789</HTML>",
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tmpl.compile());
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}
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@Test
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public void setNegativeConditionTest(){
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public void conditionObjectTest(){
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Templator tmpl = new Templator("<HTML>{{#test.attr}}5678{{/test.attr}}</HTML>");
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TestClass obj = new TestClass();
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obj.attr = "1234";
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tmpl.set("test", obj);
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assertEquals("<HTML>5678</HTML>", tmpl.compile());
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tmpl.clear();
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tmpl.set("test", new TestClass());
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assertEquals("<HTML></HTML>", tmpl.compile());
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}
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@Test
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public void conditionBooleanTest(){
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Templator tmpl = new Templator(
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"<HTML>{{#key}}123456789{{/key}}</HTML>");
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tmpl.set("key", true);
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assertEquals(
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"<HTML>123456789</HTML>", tmpl.compile());
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tmpl.set("key", false);
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assertEquals(
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"<HTML></HTML>", tmpl.compile());
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}
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@Test
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public void conditionIteratorEmptyTest(){
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Templator tmpl = new Templator("<HTML>{{#list}}1234 {{.}} {{/list}}</HTML>");
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tmpl.set("list", new ArrayList());
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assertEquals(
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"<HTML></HTML>", tmpl.compile());
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}
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@Test
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public void conditionIteratorTest(){
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Templator tmpl = new Templator("<HTML>{{#list}}{{.}}{{/list}}</HTML>");
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tmpl.set("list", Arrays.asList(1,2,3,4,5,6,7,8,9));
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assertEquals(
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"<HTML>123456789</HTML>", tmpl.compile());
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}
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@Test
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public void negativeConditionEmptyTest(){
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Templator tmpl = new Templator(
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"<HTML>{{^key}}123456789{{/key}}</HTML>");
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assertEquals(
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"<HTML>123456789</HTML>", tmpl.compile());
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}
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@Test
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public void negativeConditionSetTest(){
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Templator tmpl = new Templator(
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"<HTML>{{^key}}123456789{{/key}}</HTML>");
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tmpl.set("key", "set");
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assertEquals(
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"<HTML></HTML>",
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tmpl.compile());
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"<HTML></HTML>", tmpl.compile());
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}
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@Test
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public void negativeConditionObjectTest(){
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Templator tmpl = new Templator("<HTML>{{^test.attr}}5678{{/test.attr}}</HTML>");
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TestClass obj = new TestClass();
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obj.attr = "1234";
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tmpl.set("test", obj);
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assertEquals("<HTML></HTML>", tmpl.compile());
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tmpl.clear();
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tmpl.set("test", new TestClass());
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assertEquals("<HTML>5678</HTML>", tmpl.compile());
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}
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@Test
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public void negativeConditionIteratorTest(){
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Templator tmpl = new Templator(
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"<HTML>{{^key}}123456789{{/key}}</HTML>");
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tmpl.set("key", Arrays.asList(1,2,3,4,5,6,7,8,9));
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assertEquals(
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"<HTML></HTML>", tmpl.compile());
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}
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@Test
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public void negativeConditionIteratorEmptyTest(){
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Templator tmpl = new Templator(
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"<HTML>{{^key}}123456789{{/key}}</HTML>");
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tmpl.set("key", new ArrayList());
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assertEquals(
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"<HTML>123456789</HTML>", tmpl.compile());
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}
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@Test
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public void negativeConditionBooleanTest(){
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Templator tmpl = new Templator(
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"<HTML>{{^key}}123456789{{/key}}</HTML>");
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tmpl.set("key", true);
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assertEquals(
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"<HTML></HTML>", tmpl.compile());
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tmpl.set("key", false);
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assertEquals(
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"<HTML>123456789</HTML>", tmpl.compile());
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}
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@Test
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@ -129,7 +216,6 @@ public class TemplatorTest {
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Templator tmpl = new Templator(
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"<HTML>{{! This is a comment}}</HTML>");
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assertEquals(
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"<HTML></HTML>",
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tmpl.compile());
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"<HTML></HTML>", tmpl.compile());
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}
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}
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