/***************************************************************************** * * 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.padaf.preflight.font; import static org.apache.padaf.preflight.ValidationConstants.DICTIONARY_KEY_SUBTYPE; import static org.apache.padaf.preflight.ValidationConstants.DICTIONARY_KEY_TYPE; import static org.apache.padaf.preflight.ValidationConstants.ERROR_FONTS_DICTIONARY_INVALID; import static org.apache.padaf.preflight.ValidationConstants.FONT_DICTIONARY_VALUE_COMPOSITE; import static org.apache.padaf.preflight.ValidationConstants.FONT_DICTIONARY_VALUE_MMTYPE; import static org.apache.padaf.preflight.ValidationConstants.FONT_DICTIONARY_VALUE_TRUETYPE; import static org.apache.padaf.preflight.ValidationConstants.FONT_DICTIONARY_VALUE_TYPE0; import static org.apache.padaf.preflight.ValidationConstants.FONT_DICTIONARY_VALUE_TYPE0C; import static org.apache.padaf.preflight.ValidationConstants.FONT_DICTIONARY_VALUE_TYPE1; import static org.apache.padaf.preflight.ValidationConstants.FONT_DICTIONARY_VALUE_TYPE1C; import static org.apache.padaf.preflight.ValidationConstants.FONT_DICTIONARY_VALUE_TYPE2; import static org.apache.padaf.preflight.ValidationConstants.FONT_DICTIONARY_VALUE_TYPE3; import org.apache.padaf.preflight.DocumentHandler; import org.apache.padaf.preflight.ValidationException; import org.apache.pdfbox.cos.COSDictionary; import org.apache.pdfbox.cos.COSName; import org.apache.pdfbox.cos.COSObject; /** * This class returns a FontValidator object according to the Font dictionary. */ public class FontValidatorFactory { public FontValidator getFontValidator(COSObject cObj, DocumentHandler handler) throws ValidationException { COSDictionary dic = (COSDictionary) cObj.getObject(); String type = dic.getNameAsString(COSName.getPDFName(DICTIONARY_KEY_TYPE)); String subtype = dic.getNameAsString(COSName .getPDFName(DICTIONARY_KEY_SUBTYPE)); if ((type == null || "".equals(type)) || (subtype == null || "".equals(subtype))) { throw new ValidationException("Type and/or Subtype keys are missing : " + ERROR_FONTS_DICTIONARY_INVALID); } else { if (FONT_DICTIONARY_VALUE_TRUETYPE.equals(subtype)) { return new TrueTypeFontValidator(handler, cObj); } else if (FONT_DICTIONARY_VALUE_MMTYPE.equals(subtype) || FONT_DICTIONARY_VALUE_TYPE1.equals(subtype)) { return new Type1FontValidator(handler, cObj); } else if (FONT_DICTIONARY_VALUE_TYPE3.equals(subtype)) { return new Type3FontValidator(handler, cObj); } else if (FONT_DICTIONARY_VALUE_COMPOSITE.equals(subtype)) { return new CompositeFontValidator(handler, cObj); } else if (FONT_DICTIONARY_VALUE_TYPE2.equals(subtype) || FONT_DICTIONARY_VALUE_TYPE1C.equals(subtype) || FONT_DICTIONARY_VALUE_TYPE0C.equals(subtype) || FONT_DICTIONARY_VALUE_TYPE0.equals(subtype)) { // ---- Font managed by a Composite font. // this dictionary will be checked by a CompositeFontValidator return null; } else { throw new ValidationException("Unknown font type : " + subtype); } } } }