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The Java Developers Almanac 1.4Order this book from Amazon. |
e5. Listing the Property Names of a BeanThis example determines the properties of a bean with the typeMyBean .
try { BeanInfo bi = Introspector.getBeanInfo(MyBean.class); PropertyDescriptor[] pds = bi.getPropertyDescriptors(); for (int i=0; i<pds.length; i++) { // Get property name String propName = pds[i].getName(); } // class, prop1, prop2, PROP3 } catch (java.beans.IntrospectionException e) { } public class MyBean { // Property prop1 public String getProp1() { return null; } public void setProp1(String s) { } // Property prop2 public int getProp2() { return 0; } public void setProp2(int i) { } // Property PROP public byte[] getPROP3() { return null; } public void setPROP3(byte[] bytes) { } }
e2. Implementing a Bound Property e3. Implementing a Constrained Property e4. Instantiating a Bean e6. Getting and Setting a Property of a Bean
© 2002 Addison-Wesley. |