svnserver.repository.git.prop.GitAutoProperty.java Source code

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Here is the source code for svnserver.repository.git.prop.GitAutoProperty.java

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/**
 * This file is part of git-as-svn. It is subject to the license terms
 * in the LICENSE file found in the top-level directory of this distribution
 * and at http://www.gnu.org/licenses/gpl-2.0.html. No part of git-as-svn,
 * including this file, may be copied, modified, propagated, or distributed
 * except according to the terms contained in the LICENSE file.
 */
package svnserver.repository.git.prop;

import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.tmatesoft.svn.core.SVNProperty;
import svnserver.repository.git.path.PathMatcher;

import java.util.Map;

/**
 * Parse and processing .gitignore.
 *
 * @author Artem V. Navrotskiy <bozaro@users.noreply.github.com>
 */
public final class GitAutoProperty implements GitProperty {
    @NotNull
    private final static String MASK_SEPARATOR = " = ";
    @NotNull
    private final PathMatcher matcher;
    @NotNull
    private final String property;
    @NotNull
    private final String value;

    /**
     * Set property to all matched file.
     *
     * @param matcher  File matcher.
     * @param property Property name.
     * @param value    Property value.
     */
    public GitAutoProperty(@NotNull PathMatcher matcher, @NotNull String property, @NotNull String value) {
        this.matcher = matcher;
        this.property = property;
        this.value = value;
    }

    @Override
    public void apply(@NotNull Map<String, String> props) {
        final String mask = matcher.getSvnMaskGlobal();
        if (mask != null) {
            String autoprops = props.getOrDefault(SVNProperty.INHERITABLE_AUTO_PROPS, "");
            int beg = 0;
            while (true) {
                if (autoprops.substring(beg).startsWith(mask + MASK_SEPARATOR)) {
                    int end = autoprops.indexOf('\n', beg + 1);
                    if (end < 0) {
                        end = autoprops.length();
                    }
                    autoprops = autoprops.substring(0, end) + "; " + property + "=" + value
                            + autoprops.substring(end);
                    break;
                }
                beg = autoprops.indexOf('\n', beg + 1);
                if (beg < 0) {
                    autoprops = autoprops + mask + MASK_SEPARATOR + property + "=" + value + "\n";
                    break;
                }
            }
            props.put(SVNProperty.INHERITABLE_AUTO_PROPS, autoprops);
        }
    }

    @Nullable
    @Override
    public String getFilterName() {
        return null;
    }

    @Nullable
    @Override
    public GitProperty createForChild(@NotNull String name, @NotNull FileMode fileMode) {
        if (fileMode.getObjectType() == Constants.OBJ_BLOB) {
            return null;
        }
        if (matcher.getSvnMaskGlobal() != null) {
            return null;
        }
        final PathMatcher matcherChild = matcher.createChild(name, true);
        if (matcherChild == null) {
            return null;
        }
        return new GitAutoProperty(matcherChild, property, value);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;

        GitAutoProperty that = (GitAutoProperty) o;

        return matcher.equals(that.matcher) && property.equals(that.property) && value.equals(that.value);
    }

    @Override
    public int hashCode() {
        int result = matcher.hashCode();
        result = 31 * result + property.hashCode();
        result = 31 * result + value.hashCode();
        return result;
    }
}