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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.task.util.template;
import com.yahoo.vespa.hosted.node.admin.task.util.text.Cursor;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author hakonhall
*/
class TemplateBuilder {
/** The top-level section list in this template. */
private final SectionList sectionList;
private final List<Section> allSections = new ArrayList<>();
private final Map<String, VariableSection> sampleVariables = new HashMap<>();
private final Map<String, IfSection> sampleIfSections = new HashMap<>();
private final Map<String, ListSection> lists = new HashMap<>();
TemplateBuilder(Cursor start) {
this.sectionList = new SectionList(start, this);
}
SectionList topLevelSectionList() { return sectionList; }
void addLiteralSection(LiteralSection section) {
allSections.add(section);
}
void addVariableSection(VariableSection section) {
// It's OK if the same name is used in an if-directive (as long as the value is boolean,
// determined when set on a template).
ListSection existing = lists.get(section.name());
if (existing != null)
throw new NameAlreadyExistsTemplateException(section.name(), existing, section);
sampleVariables.put(section.name(), section);
allSections.add(section);
}
void addIfSection(IfSection section) {
// It's OK if the same name is used in a variable section (as long as the value is boolean,
// determined when set on a template).
ListSection list = lists.get(section.name());
if (list != null)
throw new NameAlreadyExistsTemplateException(section.name(), list, section);
sampleIfSections.put(section.name(), section);
allSections.add(section);
}
void addListSection(ListSection section) {
VariableSection variableSection = sampleVariables.get(section.name());
if (variableSection != null)
throw new NameAlreadyExistsTemplateException(section.name(), variableSection, section);
IfSection ifSection = sampleIfSections.get(section.name());
if (ifSection != null)
throw new NameAlreadyExistsTemplateException(section.name(), ifSection, section);
ListSection previous = lists.put(section.name(), section);
if (previous != null)
throw new NameAlreadyExistsTemplateException(section.name(), previous, section);
allSections.add(section);
}
Template build() {
var template = new Template(sectionList.range(), sectionList.sections(), lists);
allSections.forEach(section -> section.setTemplate(template));
return template;
}
}
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