Port to java 17

[ccsdk/apps.git] / cadi / core / src / main / java / org / onap / ccsdk / apps / cadi / util / Split.java

diff --git a/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/util/Split.java b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/util/Split.java
new file mode 100644 (file)
index 0000000..a5f6578
--- /dev/null
+++ b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/util/Split.java
@@ -0,0 +1,123 @@
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.ccsdk
+ * ===========================================================================
+ * Copyright (c) 2018 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.apps.cadi.util;
+
+/**
+ * Split by Char, optional Trim
+ *
+ * Note: Copied from Inno to avoid linking issues.
+ * Note: I read the String split and Pattern split code, and we can do this more efficiently for a single Character
+ *
+ * 8/20/2015
+ */
+
+public class Split {
+    private static final String[] EMPTY = new String[0];
+
+    public static String[] split(char c, String value) {
+        if (value==null) {
+            return EMPTY;
+        }
+
+        return split(c,value,0,value.length());
+    }
+
+    public static String[] split(char c, String value, int start, int end) {
+        if (value==null) {
+            return EMPTY;
+        }
+
+        // Count items to preallocate Array (memory alloc is more expensive than counting twice)
+        int count,idx;
+        for (count=1,idx=value.indexOf(c,start);idx>=0 && idx<end;idx=value.indexOf(c,++idx),++count);
+        String[] rv = new String[count];
+        if (count==1) {
+            rv[0]=value.substring(start,end);
+        } else {
+            int last=0;
+            count=-1;
+            for (idx=value.indexOf(c,start);idx>=0 && idx<end;idx=value.indexOf(c,idx)) {
+                rv[++count]=value.substring(last,idx);
+                last = ++idx;
+            }
+            rv[++count]=value.substring(last,end);
+        }
+        return rv;
+    }
+
+    public static String[] splitTrim(char c, String value, int start, int end) {
+        if (value==null) {
+            return EMPTY;
+        }
+
+        // Count items to preallocate Array (memory alloc is more expensive than counting twice)
+        int count,idx;
+        for (count=1,idx=value.indexOf(c,start);idx>=0 && idx<end;idx=value.indexOf(c,++idx),++count);
+        String[] rv = new String[count];
+        if (count==1) {
+            rv[0]=value.substring(start,end).trim();
+        } else {
+            int last=start;
+            count=-1;
+            for (idx=value.indexOf(c,start);idx>=0 && idx<end;idx=value.indexOf(c,idx)) {
+                rv[++count]=value.substring(last,idx).trim();
+                last = ++idx;
+            }
+            rv[++count]=value.substring(last,end).trim();
+        }
+        return rv;
+    }
+
+    public static String[] splitTrim(char c, String value) {
+        if (value==null) {
+            return EMPTY;
+        }
+        return splitTrim(c,value,0,value.length());
+    }
+
+    public static String[] splitTrim(char c, String value, int size) {
+        if (value==null) {
+            return EMPTY;
+        }
+
+        int idx;
+        String[] rv = new String[size];
+        if (size==1) {
+            rv[0]=value.trim();
+        } else {
+            int last=0;
+            int count=-1;
+            size-=2;
+            for (idx=value.indexOf(c);idx>=0 && count<size;idx=value.indexOf(c,idx)) {
+                rv[++count]=value.substring(last,idx).trim();
+                last = ++idx;
+            }
+            if (idx>0) {
+                rv[++count]=value.substring(last,idx).trim();
+            } else {
+                rv[++count]=value.substring(last).trim();
+            }
+        }
+        return rv;
+    }
+
+}