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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.pagetemplates.config;
import com.yahoo.config.subscription.ConfigSubscriber;
import com.yahoo.search.pagetemplates.PageTemplatesConfig;
import com.yahoo.io.reader.NamedReader;
import com.yahoo.search.pagetemplates.PageTemplateRegistry;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
/**
* Provides a static method to convert a page template config into a PageTemplateRegistry.
* In addition, instances of this can be created to subscribe to config and keep an up to date registry reference.
*
* @author bratseth
*/
public class PageTemplateConfigurer {
/**
* Creates a new page template registry from the content of a config and returns it.
* The returned registry will <b>not</b> be frozen. This should be done, by calling freeze(), before it is used.
*/
public static PageTemplateRegistry toRegistry(PageTemplatesConfig config) {
List<NamedReader> pageReaders=new ArrayList<>();
int pageNumber=0;
for (String pageString : config.page())
pageReaders.add(new NamedReader("page[" + pageNumber++ + "]",new StringReader(pageString)));
return new PageTemplateXMLReader().read(pageReaders,false);
}
}
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