1 package org.apache.turbine.services.template.mapper;
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24 import java.util.ArrayList;
25 import java.util.Arrays;
26 import java.util.List;
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28 import org.apache.commons.lang3.StringUtils;
29 import org.apache.logging.log4j.LogManager;
30 import org.apache.logging.log4j.Logger;
31 import org.apache.turbine.services.TurbineServices;
32 import org.apache.turbine.services.template.TemplateEngineService;
33 import org.apache.turbine.services.template.TemplateService;
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50 public class LayoutTemplateMapper
51 extends BaseTemplateMapper
52 implements Mapper
53 {
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55 private static final Logger log = LogManager.getLogger(LayoutTemplateMapper.class);
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62 public LayoutTemplateMapper()
63 {
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65 }
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74 @Override
75 public String doMapping(String template)
76 {
77 log.debug("doMapping({})", template);
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79 List<String> components
80 = new ArrayList<>(Arrays.asList(StringUtils.split(
81 template,
82 String.valueOf(TemplateService.TEMPLATE_PARTS_SEPARATOR))));
83 int componentSize = components.size() - 1 ;
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87 String templateName = components.get(componentSize);
88 components.remove(componentSize--);
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90 log.debug("templateName is {}", templateName);
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93 TemplateService templateService = (TemplateService)TurbineServices.getInstance().getService(TemplateService.SERVICE_NAME);
94 TemplateEngineService tes = templateService.getTemplateEngineService(templateName);
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96 if (tes == null)
97 {
98 return null;
99 }
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102 String defaultName = templateService.getDefaultLayoutTemplateName(templateName);
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107 boolean firstRun = !templateName.equals(defaultName);
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109 for(;;)
110 {
111 String templatePackage = StringUtils.join(components.iterator(), String.valueOf(separator));
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113 log.debug("templatePackage is now: {}", templatePackage);
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115 StringBuilder testName = new StringBuilder();
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117 if (!components.isEmpty())
118 {
119 testName.append(templatePackage);
120 testName.append(separator);
121 }
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123 testName.append((firstRun)
124 ? templateName
125 : defaultName);
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128 StringBuilder templatePath = new StringBuilder();
129 if (StringUtils.isNotEmpty(prefix))
130 {
131 templatePath.append(prefix);
132 templatePath.append(separator);
133 }
134 templatePath.append(testName);
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136 log.debug("Looking for {}", templatePath);
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138 if (tes.templateExists(templatePath.toString()))
139 {
140 log.debug("Found it, returning {}", testName);
141 return testName.toString();
142 }
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144 if (firstRun)
145 {
146 firstRun = false;
147 }
148 else
149 {
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154 if (components.isEmpty())
155 {
156 break;
157 }
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160 components.remove(componentSize--);
161 }
162 }
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164 log.debug("Returning default");
165 return getDefaultName(template);
166 }
167 }