DefaultMetaDataProvider.java
资源名称:swingx.zip [点击查看]
上传用户:zhengdagz
上传日期:2014-03-06
资源大小:1956k
文件大小:4k
源码类别:
xml/soap/webservice
开发平台:
Java
- /*
- * $Id: DefaultMetaDataProvider.java,v 1.2 2005/10/10 17:01:07 rbair Exp $
- *
- * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
- * Santa Clara, California 95054, U.S.A. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
- package org.jdesktop.binding.metadata;
- import java.util.ArrayList;
- import java.util.HashMap;
- import java.util.Iterator;
- import java.util.List;
- import java.util.Map;
- /**
- * @author Jeanette Winzenburg
- */
- public class DefaultMetaDataProvider implements MetaDataProvider {
- private List fieldNames;
- private Map metaData;
- public DefaultMetaDataProvider() {
- }
- public DefaultMetaDataProvider(MetaDataProvider provider) {
- this(provider.getMetaData());
- }
- public DefaultMetaDataProvider(MetaData[] metaDatas) {
- setMetaData(metaDatas);
- }
- //------------------------ metaDataProvider
- public MetaData[] getMetaData() {
- MetaData[] metaData = new MetaData[getFieldCount()];
- for (int i = 0; i < metaData.length; i++) {
- metaData[i] = getMetaData(getFieldName(i));
- }
- return metaData;
- }
- public MetaData getMetaData(String dataID) {
- return (MetaData) getMetaDataMap().get(dataID);
- }
- public String[] getFieldNames() {
- return (String[]) getFieldNameList().toArray(new String[getFieldCount()]);
- }
- public int getFieldCount() {
- return getFieldNameList().size();
- }
- //-------------------------- convenience accessing
- /**
- * PRE: 0 <= index < getFieldCount()
- * @param index
- * @return
- */
- public String getFieldName(int index) {
- return (String) getFieldNameList().get(index);
- }
- /**
- * PRE: 0 <= index < getFieldCount()
- * @param index
- * @return
- */
- public MetaData getMetaData(int index) {
- String fieldName = getFieldName(index);
- return getMetaData(fieldName);
- }
- public int getFieldIndex(String fieldName) {
- for (int i = 0; i < getFieldCount(); i++) {
- if (fieldName.equals(getFieldName(i))) {
- return i;
- }
- }
- return -1;
- }
- public boolean hasField(String fieldName) {
- return getFieldNameList().contains(fieldName);
- }
- //-------------------------- mutating (use on init mostly)
- public void setMetaData(MetaData[] metaData) {
- clear();
- for (int i = 0; i < metaData.length; i++) {
- addField(metaData[i]);
- }
- }
- public void setMetaData(List metaData) {
- clear();
- for (Iterator iter = metaData.iterator(); iter.hasNext(); ) {
- addField((MetaData) iter.next());
- }
- }
- public void addField(MetaData data) {
- getFieldNameList().add(data.getName());
- getMetaDataMap().put(data.getName(), data);
- }
- public void clear() {
- fieldNames = null;
- metaData = null;
- }
- //-------------------------- helper
- private List getFieldNameList() {
- if (fieldNames == null) {
- fieldNames = new ArrayList();
- }
- return fieldNames;
- }
- private Map getMetaDataMap() {
- if (metaData == null) {
- metaData = new HashMap();
- }
- return metaData;
- }
- }