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/*
 *  Copyright 2015 the original author or authors. 
 *  @https://github.com/scouter-project/scouter
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); 
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License. 
 */

package scouter.util;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import scouter.lang.ref.STRING;

public class ParamText {

	private String startBrace;
	private String endBrace;

	private List tokenList = new ArrayList();
	private List keyList = new ArrayList();

	public ParamText(String plainText) {
		this(plainText, "${", "}");
	}

	public ParamText(String plainText, String startBrace, String endBrace) {
		this.startBrace = startBrace;
		this.endBrace = endBrace;

		while (plainText.length() > 0) {
			int pos = plainText.indexOf(startBrace);
			if (pos < 0) {
				this.tokenList.add(plainText);
				return;// end
			} else if (pos > 0) {
				this.tokenList.add(plainText.substring(0, pos));
				plainText = plainText.substring(pos);
			} else {
				pos += startBrace.length();
				int nextPos = plainText.indexOf(endBrace, pos);
				if (nextPos < 0)
					break;
				String argName = plainText.substring(pos, nextPos).trim();
				this.keyList.add(argName);
				this.tokenList.add(new STRING(argName));
				plainText = plainText.substring(nextPos + endBrace.length());
			}
		}
	}

	public String getText(Object[] args) {
		StringBuffer buffer = new StringBuffer();
		for (int i = 0, idx = 0; i < tokenList.size(); i++) {
			Object o = tokenList.get(i);
			if (o instanceof STRING) {
				if (idx < args.length)
					buffer.append(args[idx++]);
				else
					buffer.append(o);
			} else {
				buffer.append(o);
			}
		}
		return buffer.toString();
	}

	public String getText(Object arg) {
		StringBuffer buffer = new StringBuffer();
		for (int i = 0; i < tokenList.size(); i++) {
			Object o = tokenList.get(i);
			if (o instanceof STRING) {
				buffer.append(arg);
			} else {
				buffer.append(o);
			}
		}
		return buffer.toString();
	}

	public String getText(Map argm) {
		StringBuffer buffer = new StringBuffer();
		for (int i = 0; i < tokenList.size(); i++) {
			Object o = tokenList.get(i);
			if (o instanceof STRING) {
				STRING p = (STRING) o;
				if (argm.containsKey(p.value)) {
					buffer.append(argm.get(p.value));
				} else {
					buffer.append(o);
				}
			} else {
				buffer.append(o);
			}
		}
		return buffer.toString();
	}

	public List getKeyList() {
		return keyList;
	}

	public String toString() {
		StringBuffer buffer = new StringBuffer();
		for (int i = 0; i < tokenList.size(); i++) {
			Object o = tokenList.get(i);
			if (o instanceof STRING) {
				buffer.append(this.startBrace).append(o).append(this.endBrace);
			} else {
				buffer.append(o);
			}
		}
		return buffer.toString();
	}

}    

    

    

            

    

            



    
    






    
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