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import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.lang.reflect.Method;
import org.apache.commons.collections.Bag;
import org.apache.commons.collections.bag.HashBag;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.lang.StringUtils;
public class TasteOfThingsV1 {
private static Map testMap;
private static TestBean testBean;
public static void main(String args[]) throws Exception {
prepareData();
HashBag myBag = new HashBag(testMap.values());
System.err.println("How many Boxes? " + myBag.getCount("Boxes"));
myBag.add("Boxes", 5);
System.err.println("How many Boxes now? " + myBag.getCount("Boxes"));
Method method =
testBean.getClass().getDeclaredMethod("getTestMap", new Class[0]);
HashMap reflectionMap =
(HashMap)method.invoke(testBean, new Object[0]);
System.err.println("The value of the 'squ' key using reflection: " +
reflectionMap.get("squ"));
String squ = BeanUtils.getMappedProperty(testBean, "testMap", "squ");
squ = StringUtils.capitalize(squ);
PropertyUtils.setMappedProperty(testBean, "testMap", "squ", squ);
System.err.println("The value of the 'squ' key is: " +
BeanUtils.getMappedProperty(testBean, "testMap", "squ"));
String box = (String)testMap.get("box");
String caps =
Character.toTitleCase(box.charAt(0)) +
box.substring(1, box.length());
System.err.println("Capitalizing boxes by Java: " + caps);
}
private static void prepareData() {
testMap = new HashMap();
testMap.put("box", "boxes");
testMap.put("squ", "squares");
testMap.put("rect", "rectangles");
testMap.put("cir", "circles");
testBean = new TestBean();
testBean.setTestMap(testMap);
}
}
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import java.util.Map;
import java.util.HashMap;
public class TestBean {
private Map testMap;
public Map getTestMap() {
return this.testMap;
}
public void setTestMap(Map testMap) {
this.testMap = testMap;
}
}
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ApacheCommonTasteOfThingsV1.zip( 877 k)