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package org.pablotron.luigi;
import java.util.Map;
import java.util.HashMap;
import org.pablotron.luigi.Filter;
import org.pablotron.luigi.Template;
import org.pablotron.luigi.errors.LuigiError;
import org.pablotron.luigi.errors.UnknownTemplateError;
import org.pablotron.luigi.actions.Action;
public final class Cache {
private final Map<String, String> strings;
private final Map<String, Filter.Handler> filters;
private final Map<String, Template> templates = new HashMap<String, Template>();
public Cache(
final Map<String, String> strings,
final Map<String, Filter.Handler> filters
) {
this.strings = strings;
this.filters = filters;
}
public Cache(final Map<String, String> strings) {
this(strings, Filter.FILTERS);
}
public String run(
final String key,
final Map<String, String> args
) throws LuigiError {
// run template with args
return get(key).run(args);
}
public boolean containsKey(final String key) {
return strings.containsKey(key);
}
public Template get(final String key) throws LuigiError {
if (!templates.containsKey(key)) {
// make sure template exists
if (!strings.containsKey(key))
throw new UnknownTemplateError(key);
// create and cache template
templates.put(key, new Template(strings.get(key), filters));
}
// get template
return templates.get(key);
}
};
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