litesoft
@ 939
litesoft / trunk / GWT_Sandbox / FormEngine / src / org / litesoft / core / util / externalization / E13nData.java
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 |
package org.litesoft.core.util.externalization; import com.temp.shared.utils.*; import java.util.*; /** * Externalization Data to be used with an Externally Sourced String keyed * template system that supports substitutions within any specific template by * "named" values. */ public class E13nData { /** * Substitution Value w/ a flag indicating if it is User Data, or another * Template Id Code to be used as a Sub-Template. */ public static class SubstitutionValue { private final boolean userData; private final String value; public SubstitutionValue( boolean userData, String value ) { this.userData = userData; this.value = value; } /** * Flag indicating if the "value" is User Data, or another Template Id * Code to be used as a Sub-Template. */ public boolean isUserData() { return userData; } /** * User Data, or another Template Id Code to be used as a Sub-Template. */ public String getValue() { return value; } @Override public String toString() { return userData ? value : "{" + value + "}"; } } private final String templateIdCode; private Map<String, SubstitutionValue> templateSubstitutionNamedValues; /** * Convert the templateIdCode (parameter) into an acceptable string form for * the templateIdCode. * * @param templateIdCode Template Identifying Code */ public E13nData( Object templateIdCode ) { this.templateIdCode = Assert.noEmptyToString( "templateIdCode", templateIdCode ); } private synchronized E13nData addPair( boolean userData, String name, String value ) { name = Assert.noEmpty( "name", name ); if ( templateSubstitutionNamedValues == null ) { templateSubstitutionNamedValues = new HashMap<String, SubstitutionValue>(); } templateSubstitutionNamedValues.put( name, new SubstitutionValue( userData, value ) ); return this; } /** * Add a User Substitution Named Value. * * @param name Not allowed to be empty * @param userData null converted to "" */ public E13nData addSubstitutionNamedUserData( String name, String userData ) { return addPair( true, name, StringUtils.deNull( userData ) ); } /** * Add a User Substitution Named Value. * * @param name Not allowed to be empty * @param subTemplateIdCode Not allowed to be empty */ public E13nData addSubstitutionNamedSubTemplateIdCode( String name, String subTemplateIdCode ) { return addPair( false, name, Assert.noEmpty( "subTemplateIdCode", subTemplateIdCode ) ); } /** * @return Not Empty TemplateIdCode */ public String getTemplateIdCode() { return templateIdCode; } /** * @return Not null map of Template Substitution Named Values */ public synchronized Map<String, SubstitutionValue> getTemplateSubstitutionNamedValues() { if ( templateSubstitutionNamedValues == null ) { return Collections.emptyMap(); } return new HashMap<String, SubstitutionValue>( templateSubstitutionNamedValues ); // defensive copy for Thread Safety } @Override public String toString() { return getTemplateIdCode() + getTemplateSubstitutionNamedValues(); } } |