/*
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* Copyright (C) 2011 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.zxing.scanner.encode;
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import android.telephony.PhoneNumberUtils;
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import java.util.List;
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import java.util.regex.Pattern;
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/**
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* Encodes contact information according to the MECARD format.
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*
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* @author Sean Owen
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*/
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final class MECARDContactEncoder extends ContactEncoder {
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private static final char TERMINATOR = ';';
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@Override
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public String[] encode(List<String> names,
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String organization,
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List<String> addresses,
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List<String> phones,
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List<String> phoneTypes,
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List<String> emails,
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List<String> urls,
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String note) {
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StringBuilder newContents = new StringBuilder(100);
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newContents.append("MECARD:");
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StringBuilder newDisplayContents = new StringBuilder(100);
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Formatter fieldFormatter = new MECARDFieldFormatter();
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appendUpToUnique(newContents, newDisplayContents, "N", names, 1, new
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MECARDNameDisplayFormatter(), fieldFormatter, TERMINATOR);
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append(newContents, newDisplayContents, "ORG", organization, fieldFormatter, TERMINATOR);
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appendUpToUnique(newContents, newDisplayContents, "ADR", addresses, 1, null, fieldFormatter, TERMINATOR);
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appendUpToUnique(newContents, newDisplayContents, "TEL", phones, Integer.MAX_VALUE,
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new MECARDTelDisplayFormatter(), fieldFormatter, TERMINATOR);
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appendUpToUnique(newContents, newDisplayContents, "EMAIL", emails, Integer.MAX_VALUE, null,
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fieldFormatter, TERMINATOR);
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appendUpToUnique(newContents, newDisplayContents, "URL", urls, Integer.MAX_VALUE, null,
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fieldFormatter, TERMINATOR);
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append(newContents, newDisplayContents, "NOTE", note, fieldFormatter, TERMINATOR);
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newContents.append(';');
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return new String[]{newContents.toString(), newDisplayContents.toString()};
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}
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private static class MECARDFieldFormatter implements Formatter {
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private static final Pattern RESERVED_MECARD_CHARS = Pattern.compile("([\\\\:;])");
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private static final Pattern NEWLINE = Pattern.compile("\\n");
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@Override
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public CharSequence format(CharSequence value, int index) {
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return ':' + NEWLINE.matcher(RESERVED_MECARD_CHARS.matcher(value).replaceAll("\\\\$1")).replaceAll("");
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}
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}
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private static class MECARDTelDisplayFormatter implements Formatter {
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private static final Pattern NOT_DIGITS = Pattern.compile("[^0-9]+");
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@Override
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public CharSequence format(CharSequence value, int index) {
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return NOT_DIGITS.matcher(PhoneNumberUtils.formatNumber(value.toString())).replaceAll("");
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}
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}
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private static class MECARDNameDisplayFormatter implements Formatter {
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private static final Pattern COMMA = Pattern.compile(",");
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@Override
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public CharSequence format(CharSequence value, int index) {
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return COMMA.matcher(value).replaceAll("");
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}
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}
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}
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