diff options
Diffstat (limited to 'resource-assignment/provider/src/main/java/org/onap/ccsdk/sli/adaptors/util/str/StrUtil.java')
-rw-r--r-- | resource-assignment/provider/src/main/java/org/onap/ccsdk/sli/adaptors/util/str/StrUtil.java | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/resource-assignment/provider/src/main/java/org/onap/ccsdk/sli/adaptors/util/str/StrUtil.java b/resource-assignment/provider/src/main/java/org/onap/ccsdk/sli/adaptors/util/str/StrUtil.java new file mode 100644 index 000000000..126ec94e5 --- /dev/null +++ b/resource-assignment/provider/src/main/java/org/onap/ccsdk/sli/adaptors/util/str/StrUtil.java @@ -0,0 +1,306 @@ +/*- + * ============LICENSE_START======================================================= + * openECOMP : SDN-C + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights + * reserved. + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.ccsdk.sli.adaptors.util.str; + +import java.lang.reflect.Array; +import java.lang.reflect.Field; +import java.util.Arrays; +import java.util.Collection; +import java.util.Date; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.SortedSet; +import java.util.TreeSet; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class StrUtil { + + private static final Logger log = LoggerFactory.getLogger(StrUtil.class); + + public static final String INDENT_STR = " "; + + public static void indent(StringBuilder ss, int ind) { + for (int i = 0; i < ind; i++) + ss.append(INDENT_STR); + } + + public static void info(Logger log, Object o) { + if (log.isInfoEnabled()) { + StringBuilder ss = new StringBuilder(); + struct(ss, o); + log.info(ss.toString()); + } + } + + public static void debug(Logger log, Object o) { + if (log.isDebugEnabled()) { + StringBuilder ss = new StringBuilder(); + struct(ss, o); + log.debug(ss.toString()); + } + } + + public static void struct(StringBuilder ss, Object o) { + struct(ss, o, 0); + } + + public static void struct(StringBuilder ss, Object o, int ind) { + if (o == null) { + ss.append("null"); + return; + } + + if (isSimple(o)) { + ss.append(o); + return; + } + + Class<? extends Object> cls = o.getClass(); + + if (cls.isEnum()) { + ss.append(o); + return; + } + + if (cls.isArray()) { + int n = Array.getLength(o); + if (n == 0) { + ss.append("[]"); + return; + } + + Object o1 = Array.get(o, 0); + if (isSimple(o1)) { + ss.append('[').append(o1); + for (int i = 1; i < n; i++) { + o1 = Array.get(o, i); + ss.append(", ").append(o1); + } + ss.append(']'); + return; + } + + ss.append('\n'); + indent(ss, ind + 1); + ss.append('['); + struct(ss, o1, ind + 1); + for (int i = 1; i < n; i++) { + o1 = Array.get(o, i); + struct(ss, o1, ind + 1); + } + ss.append('\n'); + indent(ss, ind + 1); + ss.append(']'); + return; + } + + if (o instanceof Collection<?>) { + Collection<?> ll = (Collection<?>) o; + + int n = ll.size(); + if (n == 0) { + ss.append("[]"); + return; + } + + Iterator<?> ii = ll.iterator(); + Object o1 = ii.next(); + if (isSimple(o1)) { + ss.append('[').append(o1); + while (ii.hasNext()) { + o1 = ii.next(); + ss.append(", ").append(o1); + } + ss.append(']'); + return; + } + + ss.append('\n'); + indent(ss, ind + 1); + ss.append('['); + struct(ss, o1, ind + 1); + while (ii.hasNext()) { + o1 = ii.next(); + struct(ss, o1, ind + 1); + } + ss.append('\n'); + indent(ss, ind + 1); + ss.append(']'); + return; + + } + + if (o instanceof Map<?, ?>) { + Map<?, ?> mm = (Map<?, ?>) o; + + int n = mm.size(); + if (n == 0) { + ss.append("{}"); + return; + } + + ss.append('{'); + + for (Object k : mm.keySet()) { + ss.append('\n'); + indent(ss, ind + 1); + ss.append(k).append(": "); + + Object o1 = mm.get(k); + struct(ss, o1, ind + 2); + } + + ss.append('\n'); + indent(ss, ind); + ss.append('}'); + + return; + } + + Field[] fields = cls.getFields(); + + if (fields.length == 0) { + ss.append(o); + return; + } + + ss.append('\n'); + indent(ss, ind + 1); + ss.append('<').append(cls.getSimpleName()).append("> {"); + for (Field f : fields) { + ss.append('\n'); + indent(ss, ind + 2); + ss.append(f.getName()).append(": "); + Object v = null; + try { + v = f.get(o); + } catch (IllegalAccessException e) { + v = "*** Cannot obtain value *** : " + e.getMessage(); + } + struct(ss, v, ind + 2); + } + ss.append('\n'); + indent(ss, ind + 1); + ss.append('}'); + } + + public static SortedSet<Integer> listInt(String ss, String warning) { + if (ss == null || ss.length() == 0) + return null; + + SortedSet<Integer> ll = new TreeSet<Integer>(); + String[] str = ss.split(","); + for (String s : str) { + try { + int i1 = s.indexOf('-'); + int start; + int end; + if (i1 > 0) { + String s1 = s.substring(0, i1); + String s2 = s.substring(i1 + 1); + start = Integer.parseInt(s1); + end = Integer.parseInt(s2); + } else + start = end = Integer.parseInt(s); + for (int i = start; i <= end; i++) + ll.add(i); + } catch (NumberFormatException e) { + // Skip this - bad data in DB + log.warn(warning + " [" + s + "].", e); + } + } + return ll; + } + + public static String listInt(SortedSet<Integer> ll) { + if (ll == null || ll.size() == 0) + return null; + + StringBuilder sb = new StringBuilder(2000); + Iterator<Integer> i = ll.iterator(); + int n = i.next(); + int start = n; + int end = n; + boolean first = true; + while (i.hasNext()) { + n = i.next(); + if (n != end + 1) { + if (!first) + sb.append(','); + first = false; + + if (start == end) + sb.append(start); + else if (start == end - 1) + sb.append(start).append(',').append(end); + else + sb.append(start).append('-').append(end); + + start = n; + } + end = n; + } + + if (!first) + sb.append(','); + + if (start == end) + sb.append(start); + else if (start == end - 1) + sb.append(start).append(',').append(end); + else + sb.append(start).append('-').append(end); + + return sb.toString(); + } + + public static List<String> listStr(String s) { + if (s == null || s.length() == 0) + return null; + String[] ss = s.split(","); + return Arrays.asList(ss); + } + + public static String listStr(Collection<String> ll) { + if (ll == null || ll.isEmpty()) + return null; + StringBuilder ss = new StringBuilder(1000); + Iterator<String> i = ll.iterator(); + ss.append(i.next()); + while (i.hasNext()) + ss.append(',').append(i.next()); + return ss.toString(); + } + + private static boolean isSimple(Object o) { + if (o == null) + return true; + + if (o instanceof Number || o instanceof String || o instanceof Boolean || o instanceof Date) + return true; + + return false; + } +} |