--- /dev/null
+/*
+ * Copyright 2008 ZXing authors
+ *
+ * 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 com.google.zxing.client.result;
+
+import com.google.zxing.Result;
+
+import java.util.Vector;
+
+/**
+ * Parses contact information formatted according to the VCard (2.1) format. This is not a complete
+ * implementation but should parse information as commonly encoded in 2D barcodes.
+ *
+ * @author srowen@google.com (Sean Owen)
+ */
+public final class VCardResultParser extends ResultParser {
+
+ private VCardResultParser() {
+ }
+
+ public static AddressBookParsedResult parse(Result result) {
+ String rawText = result.getText();
+ if (rawText == null || !rawText.startsWith("BEGIN:VCARD") || !rawText.endsWith("END:VCARD")) {
+ return null;
+ }
+ String[] names = matchVCardPrefixedField("FN", rawText);
+ if (names == null) {
+ // If no display names found, look for regular name fields and format them
+ names = matchVCardPrefixedField("N", rawText);
+ formatNames(names);
+ }
+ String[] phoneNumbers = matchVCardPrefixedField("TEL", rawText);
+ String[] emails = matchVCardPrefixedField("EMAIL", rawText);
+ String note = matchSingleVCardPrefixedField("NOTE", rawText);
+ String address = matchSingleVCardPrefixedField("ADR", rawText);
+ address = formatAddress(address);
+ String org = matchSingleVCardPrefixedField("ORG", rawText);
+ String birthday = matchSingleVCardPrefixedField("BDAY", rawText);
+ if (!isStringOfDigits(birthday, 8)) {
+ return null;
+ }
+ String title = matchSingleVCardPrefixedField("TITLE", rawText);
+ return new AddressBookParsedResult(names, phoneNumbers, emails, note, address, org, birthday, title);
+ }
+
+ private static String[] matchVCardPrefixedField(String prefix, String rawText) {
+ Vector matches = null;
+ int i = 0;
+ int max = rawText.length();
+ while (i < max) {
+ i = rawText.indexOf(prefix, i);
+ if (i < 0) {
+ break;
+ }
+ if (rawText.charAt(i - 1) != '\n') {
+ // then this didn't start a new token, we matched in the middle of something
+ i++;
+ continue;
+ }
+ i += prefix.length(); // Skip past this prefix we found to start
+ if (rawText.charAt(i) != ':' && rawText.charAt(i) != ';') {
+ continue;
+ }
+ while (rawText.charAt(i) != ':') { // Skip until a colon
+ i++;
+ }
+ i++; // skip colon
+ int start = i; // Found the start of a match here
+ boolean done = false;
+ while (!done) {
+ i = rawText.indexOf((int) '\n', i); // Really, ends in \r\n
+ if (i < 0) {
+ // No terminating end character? uh, done. Set i such that loop terminates and break
+ i = rawText.length();
+ done = true;
+ } else {
+ // found a match
+ if (matches == null) {
+ matches = new Vector(3); // lazy init
+ }
+ matches.addElement(rawText.substring(start, i - 1)); // i - 1 to strip off the \r too
+ i++;
+ done = true;
+ }
+ }
+ }
+ if (matches == null || matches.isEmpty()) {
+ return null;
+ }
+ return toStringArray(matches);
+ }
+
+ private static String matchSingleVCardPrefixedField(String prefix, String rawText) {
+ String[] values = matchVCardPrefixedField(prefix, rawText);
+ return values == null ? null : values[0];
+ }
+
+ private static String formatAddress(String address) {
+ int length = address.length();
+ StringBuffer newAddress = new StringBuffer(length);
+ for (int j = 0; j < length; j++) {
+ char c = address.charAt(j);
+ if (c == ';') {
+ newAddress.append(' ');
+ } else {
+ newAddress.append(c);
+ }
+ }
+ return newAddress.toString().trim();
+ }
+
+ /**
+ * Formats name fields of the form "Public;John;Q.;Reverend;III" into a form like
+ * "Reverend John Q. Public III".
+ *
+ * @param names name values to format, in place
+ */
+ private static void formatNames(String[] names) {
+ for (int i = 0; i < names.length; i++) {
+ String name = names[i];
+ String[] components = new String[5];
+ int start = 0;
+ int end;
+ int componentIndex = 0;
+ while ((end = name.indexOf(';', start)) > 0) {
+ components[componentIndex] = name.substring(start, end);
+ componentIndex++;
+ start = end + 1;
+ }
+ components[componentIndex] = name.substring(start);
+ StringBuffer newName = new StringBuffer();
+ maybeAppendComponent(components, 3, newName);
+ maybeAppendComponent(components, 1, newName);
+ maybeAppendComponent(components, 2, newName);
+ maybeAppendComponent(components, 0, newName);
+ maybeAppendComponent(components, 4, newName);
+ names[i] = newName.toString().trim();
+ }
+ }
+
+ private static void maybeAppendComponent(String[] components, int i, StringBuffer newName) {
+ if (components[i] != null) {
+ newName.append(' ');
+ newName.append(components[i]);
+ }
+ }
+
+}
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projects / zxing.git / blobdiff