001
014
015 package com.liferay.portlet.dynamicdatamapping.template;
016
017 import com.liferay.portal.kernel.io.unsync.UnsyncStringWriter;
018 import com.liferay.portal.kernel.template.Template;
019 import com.liferay.portal.kernel.template.TemplateConstants;
020 import com.liferay.portal.kernel.template.TemplateManagerUtil;
021 import com.liferay.portal.kernel.template.TemplateResource;
022 import com.liferay.portal.kernel.template.TemplateVariableCodeHandler;
023 import com.liferay.portal.kernel.template.TemplateVariableDefinition;
024 import com.liferay.portal.kernel.template.URLTemplateResource;
025 import com.liferay.portal.kernel.util.StringBundler;
026 import com.liferay.portal.kernel.util.StringPool;
027 import com.liferay.portal.kernel.util.StringUtil;
028
029 import java.io.Writer;
030
031 import java.net.URL;
032
033
036 public class DDMTemplateVariableCodeHandler
037 implements TemplateVariableCodeHandler {
038
039 public DDMTemplateVariableCodeHandler(String templatePath) {
040 _templatePath = templatePath;
041 }
042
043 @Override
044 public String[] generate(
045 TemplateVariableDefinition templateVariableDefinition,
046 String language)
047 throws Exception {
048
049 String resourceName = getResourceName(
050 templateVariableDefinition.getDataType());
051
052 Template template = getTemplate(resourceName);
053
054 String content = getTemplateContent(
055 template, templateVariableDefinition, language);
056
057 String[] lines = getContentLines(content);
058
059 String[] dataContentArray = getDataContentArray(lines);
060
061 if (!templateVariableDefinition.isRepeatable()) {
062 return dataContentArray;
063 }
064
065 return handleRepeatableField(
066 templateVariableDefinition, language, dataContentArray);
067 }
068
069 protected String[] getContentLines(String content) {
070 String[] lines = StringUtil.splitLines(content);
071
072 for (int i = 0; i < lines.length; i++) {
073 lines[i] = StringUtil.trim(lines[i]);
074 }
075
076 return lines;
077 }
078
079 protected String[] getDataContentArray(String[] lines) {
080 String[] dataContentArray = new String[] {
081 StringPool.BLANK, StringPool.BLANK, StringPool.BLANK};
082
083 for (int i = 0; i < lines.length; i++) {
084 dataContentArray[i] = lines[i];
085 }
086
087 return dataContentArray;
088 }
089
090 protected String getResourceName(String dataType) {
091 if (isCommonResource(dataType)) {
092 dataType = "common";
093 }
094
095 StringBundler sb = new StringBundler(3);
096
097 sb.append(_templatePath);
098 sb.append(dataType);
099 sb.append(".ftl");
100
101 return sb.toString();
102 }
103
104 protected Template getTemplate(String resource) throws Exception {
105 TemplateResource templateResource = getTemplateResource(resource);
106
107 return TemplateManagerUtil.getTemplate(
108 TemplateConstants.LANG_TYPE_FTL, templateResource, false);
109 }
110
111 protected String getTemplateContent(
112 Template template,
113 TemplateVariableDefinition templateVariableDefinition,
114 String language)
115 throws Exception {
116
117 prepareTemplate(template, templateVariableDefinition, language);
118
119 Writer writer = new UnsyncStringWriter();
120
121 template.processTemplate(writer);
122
123 return writer.toString();
124 }
125
126 protected TemplateResource getTemplateResource(String resource) {
127 Class<?> clazz = getClass();
128
129 ClassLoader classLoader = clazz.getClassLoader();
130
131 URL url = classLoader.getResource(resource);
132
133 return new URLTemplateResource(resource, url);
134 }
135
136 protected String[] handleRepeatableField(
137 TemplateVariableDefinition templateVariableDefinition,
138 String language, String[] dataContentArray)
139 throws Exception {
140
141 Template template = getTemplate(_templatePath + "repeatable.ftl");
142
143 String content = getTemplateContent(
144 template, templateVariableDefinition, language);
145
146 String[] lines = getContentLines(content);
147
148 String tempDataContent0 = dataContentArray[0];
149
150 dataContentArray[0] =
151 lines[0] + StringPool.NEW_LINE + StringPool.TAB + lines[1];
152 dataContentArray[1] =
153 tempDataContent0 + dataContentArray[1] + dataContentArray[2];
154 dataContentArray[2] = lines[2] + StringPool.NEW_LINE + lines[3];
155
156 return dataContentArray;
157 }
158
159 protected boolean isCommonResource(String dataType) {
160 if (dataType.equals("boolean") || dataType.equals("date") ||
161 dataType.equals("document-library") || dataType.equals("image") ||
162 dataType.equals("link-to-page")) {
163
164 return false;
165 }
166
167 return true;
168 }
169
170 protected void prepareTemplate(
171 Template template,
172 TemplateVariableDefinition templateVariableDefinition,
173 String language) {
174
175 template.put("dataType", templateVariableDefinition.getDataType());
176 template.put("help", templateVariableDefinition.getHelp());
177 template.put("label", templateVariableDefinition.getLabel());
178 template.put("language", language);
179 template.put("name", templateVariableDefinition.getName());
180 template.put("repeatable", templateVariableDefinition.isRepeatable());
181 }
182
183 private String _templatePath;
184
185 }