eu.europa.esig.dss.asic.cades.merge.ASiCWithCAdESContainerMergerFactory Maven / Gradle / Ivy

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DSS ASiC with CAdES contains the code for the creation and validation of ASiC containers with CAdES signature(s).
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/**
 * DSS - Digital Signature Services
 * Copyright (C) 2015 European Commission, provided under the CEF programme
 * 
 * This file is part of the "DSS - Digital Signature Services" project.
 * 

 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 

 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package eu.europa.esig.dss.asic.cades.merge;

import eu.europa.esig.dss.asic.cades.validation.ASiCContainerWithCAdESAnalyzerFactory;
import eu.europa.esig.dss.asic.common.ASiCContent;
import eu.europa.esig.dss.asic.common.merge.ASiCContainerMerger;
import eu.europa.esig.dss.asic.common.merge.ASiCContainerMergerFactory;
import eu.europa.esig.dss.model.DSSDocument;
import eu.europa.esig.dss.utils.Utils;

import java.util.Objects;

/**
 * This class is used to load a relevant merger for an ASiC with CAdES containers
 *
 */
public class ASiCWithCAdESContainerMergerFactory implements ASiCContainerMergerFactory {

    /**
     * Default constructor
     */
    public ASiCWithCAdESContainerMergerFactory() {
        // empty
    }

    @Override
    public boolean isSupported(DSSDocument... containers) {
        Objects.requireNonNull(containers, "Containers shall be provided!");
        if (containers.length == 0) {
            throw new NullPointerException("At least one container shall be provided!");
        }
        ASiCContainerWithCAdESAnalyzerFactory documentValidatorFactory = new ASiCContainerWithCAdESAnalyzerFactory();
        for (DSSDocument container : containers) {
            if (container == null) {
                throw new NullPointerException("A document cannot be null!");
            }

            if (!documentValidatorFactory.isSupported(container)) {
                return false;
            }
        }
        return true;
    }

    @Override
    public ASiCContainerMerger create(DSSDocument... containers) {
        Objects.requireNonNull(containers, "Containers shall be provided!");
        if (containers.length == 0) {
            throw new NullPointerException("At least one container shall be provided!");
        }
        Boolean isASiCS = null;
        for (DSSDocument container : containers) {
            if (container == null) {
                throw new NullPointerException("A document cannot be null!");
            }

            boolean asicsContainer = new ASiCSWithCAdESContainerMerger().isSupported(container);
            boolean asiceContainer = new ASiCEWithCAdESContainerMerger().isSupported(container);
            if (asicsContainer && asiceContainer) {
                // skip verification if a container is supported by any merger
                continue;
            } else if (!asicsContainer && !asiceContainer) {
                throw new UnsupportedOperationException(String.format(
                        "The container with name '%s' is not supported by ASiC with CAdES merger!", container.getName()));
            }

            if (isASiCS == null) {
                isASiCS = asicsContainer;

            } else if (isASiCS ^ asicsContainer) {
                throw new UnsupportedOperationException(
                        "Unable to create an ASiCContainerMerger for documents of different ASiCContainer types!");
            }
        }
        if (Utils.isTrue(isASiCS)) {
            return new ASiCSWithCAdESContainerMerger(containers);
        } else {
            return new ASiCEWithCAdESContainerMerger(containers);
        }
    }

    @Override
    public boolean isSupported(ASiCContent... asicContents) {
        Objects.requireNonNull(asicContents, "ASiCContents shall be provided!");
        if (asicContents.length == 0) {
            throw new NullPointerException("At least one ASiCContent shall be provided!");
        }
        ASiCContainerWithCAdESAnalyzerFactory documentValidatorFactory = new ASiCContainerWithCAdESAnalyzerFactory();
        for (ASiCContent asicContent : asicContents) {
            if (asicContent == null) {
                throw new NullPointerException("An ASiCContent cannot be null!");
            }

            if (!documentValidatorFactory.isSupported(asicContent)) {
                return false;
            }
        }
        return true;
    }

    @Override
    public ASiCContainerMerger create(ASiCContent... asicContents) {
        Objects.requireNonNull(asicContents, "ASiCContents shall be provided!");
        if (asicContents.length == 0) {
            throw new NullPointerException("At least one ASiCContent shall be provided!");
        }
        Boolean isASiCS = null;
        for (ASiCContent asicContent : asicContents) {
            if (asicContent == null) {
                throw new NullPointerException("An ASiCContent cannot be null!");
            }

            boolean asicsContainer = new ASiCSWithCAdESContainerMerger().isSupported(asicContent);
            boolean asiceContainer = new ASiCEWithCAdESContainerMerger().isSupported(asicContent);
            if (asicsContainer && asiceContainer) {
                // skip verification if a container is supported by any merger
                continue;
            } else if (!asicsContainer && !asiceContainer) {
                throw new UnsupportedOperationException("An ASiCContent is not supported by ASiC with CAdES merger!");
            }

            if (isASiCS == null) {
                isASiCS = asicsContainer;

            } else if (isASiCS ^ asicsContainer) {
                throw new UnsupportedOperationException(
                        "Unable to create an ASiCContainerMerger for documents of different ASiCContainer types!");
            }
        }
        if (Utils.isTrue(isASiCS)) {
            return new ASiCSWithCAdESContainerMerger(asicContents);
        } else {
            return new ASiCEWithCAdESContainerMerger(asicContents);
        }
    }

}