逻辑拼接

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

public class LogicalMdxTest {

	public static void main(String[] args) {
		String[] input = new String[] { "a and b or c and d or e", "a", "a and b", "a or b", "a and b and c",
				"a or b or c", "a and b and c or d", "a or b and c and d" };

		for (String item : input) {
			List mdx = getMdx(item);
			System.out.println(item);
			String mdxStr = getMdxStr(mdx);
			System.out.println(mdxStr);
			if (item.equals(mdxStr)) {
				System.out.println("Success-----");
			} else {
				System.out.println("Failed----");
			}
		}
	}

	private static String getMdxStr(List mdx) {
		StringBuilder sb = new StringBuilder();
		for (LogicalMdx item : mdx) {
			sb.append(item.getPrefix());
			sb.append(item.getContent());
		}
		return sb.toString();
	}

	private static List getMdx(String input) {
		List result = new ArrayList();
		String[] ands = input.split(" and ");
		LogicalMdx item = new LogicalMdx();
		for (int i = 0; i < ands.length; i++) {
			String and = ands[i];
			if (i > 0) {
				item.setPrefix(" and ");
			}
			String[] ors = and.split(" or ");
			for (int j = 0; j < ors.length; j++) {
				String or = ors[j];
				if (j > 0) {
					item.setPrefix(" or ");
				}
				item.setContent(or);
				result.add(item);
				item = new LogicalMdx();
			}
		}

		return result;
	}
}