adaptation of old eclipse code to Intellij

src/peers/sip/syntaxencoding/SipHeaders.java

@@ -0,0 +1,102 @@
+/*
+    This file is part of Peers, a java SIP softphone.
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    
+    Copyright 2007, 2008, 2009, 2010 Yohann Martineau 
+*/
+
+package peers.sip.syntaxencoding;
+
+import java.util.ArrayList;
+
+import peers.sip.RFC3261;
+
+
+
+public class SipHeaders {
+    
+    private ArrayList<SipHeader> headers;
+    
+    public SipHeaders() {
+        headers = new ArrayList<SipHeader>();
+    }
+    
+    /**
+     * 
+     * @param name
+     * @param value
+     * @param index -1 to add at the end
+     */
+    public void add(SipHeaderFieldName name, SipHeaderFieldValue value, int index) {
+        SipHeader header = new SipHeader(name, value);
+        if (headers.contains(header)) {
+            header =  headers.get(headers.indexOf(header));
+            SipHeaderFieldValue oldValue = header.getValue();
+            //TODO check is header can be multi valued
+            if (oldValue instanceof SipHeaderFieldMultiValue) {
+                SipHeaderFieldMultiValue oldMultiVal = (SipHeaderFieldMultiValue) oldValue;
+                oldMultiVal.getValues().add(value);
+            } else {
+                ArrayList<SipHeaderFieldValue> arr = new ArrayList<SipHeaderFieldValue>();
+                arr.add(oldValue);
+                arr.add(value);
+                header.setValue(new SipHeaderFieldMultiValue(arr));
+            }
+        } else {
+            if (index == -1) {
+                headers.add(header);
+            } else {
+                headers.add(index, header);
+            }
+        }
+    }
+    
+    public void add(SipHeaderFieldName name, SipHeaderFieldValue value) {
+        add(name, value, -1);
+    }
+    
+    @SuppressWarnings("unlikely-arg-type")
+	public void remove(SipHeaderFieldName name) {
+        headers.remove(name);
+    }
+    
+    public boolean contains(SipHeaderFieldName name) {
+        return headers.contains(new SipHeader(name, null));
+    }
+    
+    public SipHeaderFieldValue get(SipHeaderFieldName name) {
+        int index = headers.indexOf(new SipHeader(name, null));
+        if (index < 0) {
+            return null;
+        }
+        return headers.get(index).getValue();
+    }
+    
+    public int getCount() {
+        return headers.size();
+    }
+
+    @Override
+    public String toString() {
+        StringBuffer buf = new StringBuffer();
+        for (SipHeader header : headers) {
+            buf.append(header.getName().toString());
+            buf.append(": ");
+            buf.append(header.getValue());
+            buf.append(RFC3261.CRLF);
+        }
+        return buf.toString();
+    }
+}