node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/template/TemplateDescriptor.java


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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;

/**
 * Specifies the how to interpret a template text.
 *
 * @author hakonhall
 */
public class TemplateDescriptor {
    private static final char VARIABLE_DIRECTIVE_CHAR = '=';
    private static final char REMOVE_NEWLINE_CHAR = '|';
    private static final char COMMENT_CHAR = '#';

    private String startDelimiter = "%{";
    private String endDelimiter = "}";

    public TemplateDescriptor() {}

    public TemplateDescriptor(TemplateDescriptor that) {
        this.startDelimiter = that.startDelimiter;
        this.endDelimiter = that.endDelimiter;
    }

    /** Use these delimiters instead of the standard "%{" and "}" to start and end a template directive. */
    public TemplateDescriptor setDelimiters(String startDelimiter, String endDelimiter) {
        this.startDelimiter = Token.verifyDelimiter(startDelimiter);
        this.endDelimiter = Token.verifyDelimiter(endDelimiter);
        return this;
    }

    public String startDelimiter() { return startDelimiter; }
    public String endDelimiter() { return endDelimiter; }

    char variableDirectiveChar() { return VARIABLE_DIRECTIVE_CHAR; }
    char removeNewlineChar() { return REMOVE_NEWLINE_CHAR; }
    char commentChar() { return COMMENT_CHAR; }
}