1 files changed, 243 insertions, 0 deletions
diff --git a/java/com/android/voicemailomtp/src/org/apache/james/mime4j/field/address/Builder.java b/java/com/android/voicemailomtp/src/org/apache/james/mime4j/field/address/Builder.java
new file mode 100644
index 000000000..3bcd15b6f
--- /dev/null
+++ b/java/com/android/voicemailomtp/src/org/apache/james/mime4j/field/address/Builder.java
@@ -0,0 +1,243 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one   *
+ * or more contributor license agreements.  See the NOTICE file *
+ * distributed with this work for additional information        *
+ * regarding copyright ownership.  The ASF licenses this file   *
+ * to you 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.apache.james.mime4j.field.address;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+
+import org.apache.james.mime4j.decoder.DecoderUtil;
+import org.apache.james.mime4j.field.address.parser.ASTaddr_spec;
+import org.apache.james.mime4j.field.address.parser.ASTaddress;
+import org.apache.james.mime4j.field.address.parser.ASTaddress_list;
+import org.apache.james.mime4j.field.address.parser.ASTangle_addr;
+import org.apache.james.mime4j.field.address.parser.ASTdomain;
+import org.apache.james.mime4j.field.address.parser.ASTgroup_body;
+import org.apache.james.mime4j.field.address.parser.ASTlocal_part;
+import org.apache.james.mime4j.field.address.parser.ASTmailbox;
+import org.apache.james.mime4j.field.address.parser.ASTname_addr;
+import org.apache.james.mime4j.field.address.parser.ASTphrase;
+import org.apache.james.mime4j.field.address.parser.ASTroute;
+import org.apache.james.mime4j.field.address.parser.Node;
+import org.apache.james.mime4j.field.address.parser.SimpleNode;
+import org.apache.james.mime4j.field.address.parser.Token;
+
+/**
+ * Transforms the JJTree-generated abstract syntax tree
+ * into a graph of org.apache.james.mime4j.field.address objects.
+ *
+ *
+ */
+class Builder {
+
+	private static Builder singleton = new Builder();
+
+	public static Builder getInstance() {
+		return singleton;
+	}
+
+
+
+	public AddressList buildAddressList(ASTaddress_list node) {
+		ArrayList<Address> list = new ArrayList<Address>();
+		for (int i = 0; i < node.jjtGetNumChildren(); i++) {
+			ASTaddress childNode = (ASTaddress) node.jjtGetChild(i);
+			Address address = buildAddress(childNode);
+			list.add(address);
+		}
+		return new AddressList(list, true);
+	}
+
+	private Address buildAddress(ASTaddress node) {
+		ChildNodeIterator it = new ChildNodeIterator(node);
+		Node n = it.nextNode();
+		if (n instanceof ASTaddr_spec) {
+			return buildAddrSpec((ASTaddr_spec)n);
+		}
+		else if (n instanceof ASTangle_addr) {
+			return buildAngleAddr((ASTangle_addr)n);
+		}
+		else if (n instanceof ASTphrase) {
+			String name = buildString((ASTphrase)n, false);
+			Node n2 = it.nextNode();
+			if (n2 instanceof ASTgroup_body) {
+				return new Group(name, buildGroupBody((ASTgroup_body)n2));
+			}
+			else if (n2 instanceof ASTangle_addr) {
+                name = DecoderUtil.decodeEncodedWords(name);
+				return new NamedMailbox(name, buildAngleAddr((ASTangle_addr)n2));
+			}
+			else {
+				throw new IllegalStateException();
+			}
+		}
+		else {
+			throw new IllegalStateException();
+		}
+	}
+
+
+
+	private MailboxList buildGroupBody(ASTgroup_body node) {
+		ArrayList<Address> results = new ArrayList<Address>();
+		ChildNodeIterator it = new ChildNodeIterator(node);
+		while (it.hasNext()) {
+			Node n = it.nextNode();
+			if (n instanceof ASTmailbox)
+				results.add(buildMailbox((ASTmailbox)n));
+			else
+				throw new IllegalStateException();
+		}
+		return new MailboxList(results, true);
+	}
+
+	private Mailbox buildMailbox(ASTmailbox node) {
+		ChildNodeIterator it = new ChildNodeIterator(node);
+		Node n = it.nextNode();
+		if (n instanceof ASTaddr_spec) {
+			return buildAddrSpec((ASTaddr_spec)n);
+		}
+		else if (n instanceof ASTangle_addr) {
+			return buildAngleAddr((ASTangle_addr)n);
+		}
+		else if (n instanceof ASTname_addr) {
+			return buildNameAddr((ASTname_addr)n);
+		}
+		else {
+			throw new IllegalStateException();
+		}
+	}
+
+	private NamedMailbox buildNameAddr(ASTname_addr node) {
+		ChildNodeIterator it = new ChildNodeIterator(node);
+		Node n = it.nextNode();
+		String name;
+		if (n instanceof ASTphrase) {
+			name = buildString((ASTphrase)n, false);
+		}
+		else {
+			throw new IllegalStateException();
+		}
+
+		n = it.nextNode();
+		if (n instanceof ASTangle_addr) {
+            name = DecoderUtil.decodeEncodedWords(name);
+			return new NamedMailbox(name, buildAngleAddr((ASTangle_addr) n));
+		}
+		else {
+			throw new IllegalStateException();
+		}
+	}
+
+	private Mailbox buildAngleAddr(ASTangle_addr node) {
+		ChildNodeIterator it = new ChildNodeIterator(node);
+		DomainList route = null;
+		Node n = it.nextNode();
+		if (n instanceof ASTroute) {
+			route = buildRoute((ASTroute)n);
+			n = it.nextNode();
+		}
+		else if (n instanceof ASTaddr_spec)
+			; // do nothing
+		else
+			throw new IllegalStateException();
+
+		if (n instanceof ASTaddr_spec)
+			return buildAddrSpec(route, (ASTaddr_spec)n);
+		else
+			throw new IllegalStateException();
+	}
+
+	private DomainList buildRoute(ASTroute node) {
+		ArrayList<String> results = new ArrayList<String>(node.jjtGetNumChildren());
+		ChildNodeIterator it = new ChildNodeIterator(node);
+		while (it.hasNext()) {
+			Node n = it.nextNode();
+			if (n instanceof ASTdomain)
+				results.add(buildString((ASTdomain)n, true));
+			else
+				throw new IllegalStateException();
+		}
+		return new DomainList(results, true);
+	}
+
+	private Mailbox buildAddrSpec(ASTaddr_spec node) {
+		return buildAddrSpec(null, node);
+	}
+	private Mailbox buildAddrSpec(DomainList route, ASTaddr_spec node) {
+		ChildNodeIterator it = new ChildNodeIterator(node);
+		String localPart = buildString((ASTlocal_part)it.nextNode(), true);
+		String domain = buildString((ASTdomain)it.nextNode(), true);
+		return new Mailbox(route, localPart, domain);
+	}
+
+
+	private String buildString(SimpleNode node, boolean stripSpaces) {
+		Token head = node.firstToken;
+		Token tail = node.lastToken;
+		StringBuffer out = new StringBuffer();
+
+		while (head != tail) {
+			out.append(head.image);
+			head = head.next;
+			if (!stripSpaces)
+				addSpecials(out, head.specialToken);
+		}
+		out.append(tail.image);
+
+		return out.toString();
+	}
+
+	private void addSpecials(StringBuffer out, Token specialToken) {
+		if (specialToken != null) {
+			addSpecials(out, specialToken.specialToken);
+			out.append(specialToken.image);
+		}
+	}
+
+	private static class ChildNodeIterator implements Iterator<Node> {
+
+		private SimpleNode simpleNode;
+		private int index;
+		private int len;
+
+		public ChildNodeIterator(SimpleNode simpleNode) {
+			this.simpleNode = simpleNode;
+			this.len = simpleNode.jjtGetNumChildren();
+			this.index = 0;
+		}
+
+		public void remove() {
+			throw new UnsupportedOperationException();
+		}
+
+		public boolean hasNext() {
+			return index < len;
+		}
+
+		public Node next() {
+			return nextNode();
+		}
+
+		public Node nextNode() {
+			return simpleNode.jjtGetChild(index++);
+		}
+
+	}
+}