| /******************************************************************************* |
| * 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.olingo.odata2.core.edm; |
| |
| import java.util.regex.Pattern; |
| |
| import org.apache.olingo.odata2.api.edm.EdmFacets; |
| import org.apache.olingo.odata2.api.edm.EdmLiteralKind; |
| import org.apache.olingo.odata2.api.edm.EdmSimpleTypeException; |
| |
| /** |
| * Implementation of the EDM simple type String. |
| * |
| */ |
| public class EdmString extends AbstractSimpleType { |
| |
| private static final Pattern PATTERN_ASCII = Pattern.compile("\\p{ASCII}*"); |
| private static final EdmString instance = new EdmString(); |
| |
| public static EdmString getInstance() { |
| return instance; |
| } |
| |
| @Override |
| public Class<?> getDefaultType() { |
| return String.class; |
| } |
| |
| @Override |
| protected <T> T internalValueOfString(final String value, final EdmLiteralKind literalKind, final EdmFacets facets, |
| final Class<T> returnType) throws EdmSimpleTypeException { |
| String result; |
| if (literalKind == EdmLiteralKind.URI) { |
| if (value.length() >= 2 && value.startsWith("'") && value.endsWith("'")) { |
| result = (value.substring(1, value.length() - 1)).replace("''", "'"); |
| } else { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.LITERAL_ILLEGAL_CONTENT.addContent(value)); |
| } |
| } else { |
| result = value; |
| } |
| |
| if (facets != null |
| && (facets.isUnicode() != null && !facets.isUnicode() && !PATTERN_ASCII.matcher(result).matches() |
| || facets.getMaxLength() != null && facets.getMaxLength()!=0 && facets.getMaxLength() < result.length())) { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.LITERAL_FACETS_NOT_MATCHED.addContent(value, facets)); |
| } |
| |
| if (returnType.isAssignableFrom(String.class)) { |
| return returnType.cast(result); |
| } else { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.VALUE_TYPE_NOT_SUPPORTED.addContent(returnType)); |
| } |
| } |
| |
| @Override |
| protected <T> String internalValueToString(final T value, final EdmLiteralKind literalKind, final EdmFacets facets) |
| throws EdmSimpleTypeException { |
| final String result = value instanceof String ? (String) value : String.valueOf(value); |
| |
| if (facets != null |
| && (facets.isUnicode() != null && !facets.isUnicode() && !PATTERN_ASCII.matcher(result).matches() |
| || facets.getMaxLength() != null && facets.getMaxLength() < result.length())) { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.VALUE_FACETS_NOT_MATCHED.addContent(value, facets)); |
| } |
| |
| return result; |
| } |
| |
| @Override |
| public String toUriLiteral(final String literal) throws EdmSimpleTypeException { |
| final int length = literal.length(); |
| |
| StringBuilder uriLiteral = new StringBuilder(length + 2); |
| uriLiteral.append('\''); |
| for (int i = 0; i < length; i++) { |
| final char c = literal.charAt(i); |
| if (c == '\'') { |
| uriLiteral.append(c); |
| } |
| uriLiteral.append(c); |
| } |
| uriLiteral.append('\''); |
| return uriLiteral.toString(); |
| } |
| } |