Java tutorial
/* The contents of this file are subject to the Common Public Attribution License Version 1.0 (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.projity.com/license . The License is based on the Mozilla Public License Version 1.1 but Sections 14 and 15 have been added to cover use of software over a computer network and provide for limited attribution for the Original Developer. In addition, Exhibit A has been modified to be consistent with Exhibit B. Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. The Original Code is OpenProj. The Original Developer is the Initial Developer and is Projity, Inc. All portions of the code written by Projity are Copyright (c) 2006, 2007. All Rights Reserved. Contributors Projity, Inc. Alternatively, the contents of this file may be used under the terms of the Projity End-User License Agreeement (the Projity License), in which case the provisions of the Projity License are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of the Projity License and not to allow others to use your version of this file under the CPAL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the Projity License. If you do not delete the provisions above, a recipient may use your version of this file under either the CPAL or the Projity License. [NOTE: The text of this license may differ slightly from the text of the notices in Exhibits A and B of the license at http://www.projity.com/license. You should use the latest text at http://www.projity.com/license for your modifications. You may not remove this license text from the source files.] Attribution Information: Attribution Copyright Notice: Copyright 2006, 2007 Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj, an open source solution from Projity. Attribution URL: http://www.projity.com Graphic Image as provided in the Covered Code as file: openproj_logo.png with alternatives listed on http://www.projity.com/logo Display of Attribution Information is required in Larger Works which are defined in the CPAL as a work which combines Covered Code or portions thereof with code not governed by the terms of the CPAL. However, in addition to the other notice obligations, all copies of the Covered Code in Executable and Source Code form distributed must, as a form of attribution of the original author, include on each user interface screen the "OpenProj" logo visible to all users. The OpenProj logo should be located horizontally aligned with the menu bar and left justified on the top left of the screen adjacent to the File menu. The logo must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it must direct them back to http://www.projity.com. */ package com.projity.field; import java.util.ArrayList; import java.util.Collection; import java.util.HashSet; import java.util.Iterator; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import java.util.Set; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * abastract Base class for selection lists */ public abstract class Select implements Map { private static Log log = LogFactory.getLog(Select.class); private String name; private boolean allowNull = false; protected boolean sortKeys = false; public static final String EMPTY = " "; protected Object object = null; public abstract boolean isStatic(); /** * @param arg0 * @return */ public abstract Object getValue(Object arg0) throws InvalidChoiceException; /** * @param arg0 * @param obj * @return */ public abstract Object getKey(Object arg0, Object obj); public abstract Object[] getKeyArrayWithoutNull(Object object); public Object[] getKeyArray(Object object) { Object[] result; if (object != null) { result = getKeyArrayWithoutNull(object); if (result == null || !allowNull) return result; // if a null element should be added, add it at front } log.warn("object null."); Object[] resultWithNull = new Object[1]; resultWithNull[0] = EMPTY; return resultWithNull; } public abstract List getValueListWithoutNull(Object object); public List getValueList(Object object) { List result = getValueListWithoutNull(object); if (result == null || !allowNull) return result; // if a null element should be added, add it at front List resultWithNull = new ArrayList(result.size() + 1); resultWithNull.add(null); return resultWithNull; } /** * @return Returns the name. */ public String getName() { return name; } /** * @param name * The name to set. */ public void setName(String name) { this.name = name; } public static class InvalidChoiceException extends Exception { /** * */ public InvalidChoiceException() { super(); // TODO Auto-generated constructor stub } /** * @param arg0 */ public InvalidChoiceException(String arg0) { super(arg0); // TODO Auto-generated constructor stub } /** * @param arg0 */ public InvalidChoiceException(Throwable arg0) { super(arg0); // TODO Auto-generated constructor stub } /** * @param arg0 * @param arg1 */ public InvalidChoiceException(String arg0, Throwable arg1) { super(arg0, arg1); // TODO Auto-generated constructor stub } } /* * (non-Javadoc) * * @see java.util.Map#size() */ public int size() { // TODO Auto-generated method stub return 0; } /* * (non-Javadoc) * * @see java.util.Map#clear() */ public void clear() { // TODO Auto-generated method stub } /* * (non-Javadoc) * * @see java.util.Map#isEmpty() */ public boolean isEmpty() { // TODO Auto-generated method stub return false; } /* * (non-Javadoc) * * @see java.util.Map#containsKey(java.lang.Object) */ public boolean containsKey(Object arg0) { // TODO Auto-generated method stub return false; } /* * (non-Javadoc) * * @see java.util.Map#containsValue(java.lang.Object) */ public boolean containsValue(Object arg0) { // TODO Auto-generated method stub return false; } /* * (non-Javadoc) * * @see java.util.Map#values() */ public Collection values() { // TODO Auto-generated method stub return null; } /* * (non-Javadoc) * * @see java.util.Map#putAll(java.util.Map) */ public void putAll(Map arg0) { // TODO Auto-generated method stub } /* * (non-Javadoc) * * @see java.util.Map#entrySet() */ public Set entrySet() { // TODO Auto-generated method stub return null; } /* * (non-Javadoc) * * @see java.util.Map#keySet() */ public Set keySet() { // TODO Auto-generated method stub return null; } /* * (non-Javadoc) * * @see java.util.Map#get(java.lang.Object) */ public Object get(Object arg0) { try { return getValue(arg0); } catch (InvalidChoiceException e) { return null; } } /* * (non-Javadoc) * * @see java.util.Map#remove(java.lang.Object) */ public Object remove(Object arg0) { // TODO Auto-generated method stub return null; } /* * (non-Javadoc) * * @see java.util.Map#put(java.lang.Object, java.lang.Object) */ public Object put(Object arg0, Object arg1) { // TODO Auto-generated method stub return null; } /** * @return Returns the allowNull. */ public boolean isAllowNull() { return allowNull; } /** * @param allowNull * The allowNull to set. */ public void setAllowNull(boolean allowNull) { this.allowNull = allowNull; } public static String toConfigurationXMLOptions(LinkedHashMap map, String keyPrefix) { // MapIterator i = map.i(); Iterator i = map.keySet().iterator(); StringBuffer buf = new StringBuffer(); HashSet duplicateSet = new HashSet(); // don't allow duplicate keys while (i.hasNext()) { String key = (String) i.next(); // notion of key and value is switched String value = (String) map.get(key); int dupCount = 2; String newKey = key; while (duplicateSet.contains(newKey)) { newKey = key + "-" + dupCount++; } key = newKey; duplicateSet.add(key); if (key == null || key.length() == 0) continue; if (value == null || value.length() == 0) continue; key = keyPrefix + key; // String key = "<html>" + keyPrefix + ": " + "<b>" + i.getValue() // +"</b></html>"; buf.append(SelectOption.toConfigurationXML(key, value)); } return buf.toString(); } public final boolean isSortKeys() { return sortKeys; } public final void setSortKeys(boolean sortKeys) { this.sortKeys = sortKeys; } public String documentOptions() { StringBuffer result = new StringBuffer(); for (Object key : getKeyArrayWithoutNull(null)) { if (result.length() > 0) result.append(", "); result.append(get(key)).append("=").append(key); } return result.toString(); } public Object getObject() { return object; } public void setObject(Object object) { this.object = object; } }