/* * Copyright 2012-2015 org.opencloudb. * * 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 org.opencloudb.parser; import org.opencloudb.parser.util.Pair; import org.opencloudb.parser.util.ParseUtil; import org.opencloudb.util.SplitUtil; /** * @author mycat */ public final class ManagerParseStop { public static final int OTHER = -1; public static final int HEARTBEAT = 1; public static int parse(String stmt, int offset) { int i = offset; for (; i < stmt.length(); i++) { switch (stmt.charAt(i)) { case ' ': continue; case '/': case '#': i = ParseUtil.comment(stmt, i); continue; case '@': return stop2Check(stmt, i); default: return OTHER; } } return OTHER; } public static Pair<String[], Integer> getPair(String stmt) { int offset = stmt.indexOf("@@"); String s = stmt.substring(offset + 11).trim(); int p1 = s.lastIndexOf(':'); if (p1 == -1) { String[] src = SplitUtil.split(s, ',', '$', '-', '[', ']'); return new Pair<String[], Integer>(src, null); } else { String[] src = SplitUtil.split(s, ':', true); String[] src1 = SplitUtil.split(src[0], ',', '$', '-', '[', ']'); return new Pair<String[], Integer>(src1, Integer.valueOf(src[1])); } } // HEARTBEAT static int stop2Check(String stmt, int offset) { if (stmt.length() > ++offset && stmt.charAt(offset) == '@') { if (stmt.length() > offset + 9) { char c1 = stmt.charAt(++offset); char c2 = stmt.charAt(++offset); char c3 = stmt.charAt(++offset); char c4 = stmt.charAt(++offset); char c5 = stmt.charAt(++offset); char c6 = stmt.charAt(++offset); char c7 = stmt.charAt(++offset); char c8 = stmt.charAt(++offset); char c9 = stmt.charAt(++offset); if ((c1 == 'H' || c1 == 'h') && (c2 == 'E' || c2 == 'e') && (c3 == 'A' || c3 == 'a') && (c4 == 'R' || c4 == 'r') && (c5 == 'T' || c5 == 't') && (c6 == 'B' || c6 == 'b') && (c7 == 'E' || c7 == 'e') && (c8 == 'A' || c8 == 'a') && (c9 == 'T' || c9 == 't')) { if (stmt.length() > ++offset && stmt.charAt(offset) != ' ') { return OTHER; } return HEARTBEAT; } } } return OTHER; } }