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Add probably broken dependency resolver

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JeremyStar™ 2024-06-29 22:16:18 +02:00
parent ef8cdb87cf
commit 4793d7aefe
Signed by: JeremyStarTM
GPG key ID: E366BAEF67E4704D
6 changed files with 484 additions and 0 deletions
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40
base/src/main/java/de/staropensource/sosengine/base/exceptions/DependencyCycleException.java Normal file
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/*
* STAROPENSOURCE ENGINE SOURCE FILE
* Copyright (c) 2024 The StarOpenSource Engine Contributors
* Licensed under the GNU Affero General Public License v3
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.staropensource.sosengine.base.exceptions;
import org.jetbrains.annotations.NotNull;
/**
* Represents an exception caused by a dependency cycle.
*
* @since 1-alpha1
*/
@SuppressWarnings({ "unused" })
public class DependencyCycleException extends Exception {
/**
* Constructor.
*
* @param path cycle path
* @since 1-alpha1
*/
public DependencyCycleException(@NotNull String path) {
super("Dependency cycle detected: " + path);
}
}

68
base/src/main/java/de/staropensource/sosengine/base/exceptions/UnexpectedThrowableException.java Normal file
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/*
* STAROPENSOURCE ENGINE SOURCE FILE
* Copyright (c) 2024 The StarOpenSource Engine Contributors
* Licensed under the GNU Affero General Public License v3
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.staropensource.sosengine.base.exceptions;
import lombok.Getter;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* Represents an exception caused by some throwable.
* Basic wrapper for every throwable there is.
*
* @since 1-alpha1
*/
@SuppressWarnings({ "unused", "JavadocDeclaration", "JavadocBlankLines" })
@Getter
public class UnexpectedThrowableException extends Exception {
/**
* Contains the throwable supplied to the constructor.
*
* @since 1-alpha1
*
* -- GETTER --
* Returns the throwable supplied by the constructor.
*
* @return throwable
* @since 1-alpha1
*/
@Nullable
Throwable throwable;
/**
* Constructor.
*
* @param throwable throwable
* @param message message
*/
public UnexpectedThrowableException(@NotNull Throwable throwable, @NotNull String message) {
super(message);
this.throwable = throwable;
}
/**
* Constructor.
*
* @param throwable throwable
*/
public UnexpectedThrowableException(@NotNull Throwable throwable) {
this.throwable = throwable;
}
}

53
base/src/main/java/de/staropensource/sosengine/base/exceptions/UnmetDependenciesException.java Normal file
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/*
* STAROPENSOURCE ENGINE SOURCE FILE
* Copyright (c) 2024 The StarOpenSource Engine Contributors
* Licensed under the GNU Affero General Public License v3
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.staropensource.sosengine.base.exceptions;
import de.staropensource.sosengine.base.types.DependencyVector;
import lombok.Getter;
import org.jetbrains.annotations.NotNull;
import java.util.Map;
/**
* Represents an exception caused by unmet dependencies.
*
* @since 1-alpha1
*/
@SuppressWarnings({ "unused", "JavadocDeclaration", "JavadocBlankLines" })
@Getter
public class UnmetDependenciesException extends Exception {
/**
* Contains the unmet dependencies list supplied to the constructor.
*
* @since 1-alpha1
*
* -- GETTER --
* Returns the unmet dependencies list supplied to the constructor.
*
* @return unmet dependencies list
* @since 1-alpha1
*/
@NotNull
private final Map<@NotNull DependencyVector, @NotNull String> unmetDependencies;
public UnmetDependenciesException(@NotNull Map<@NotNull DependencyVector, @NotNull String> unmetDependencies) {
this.unmetDependencies = unmetDependencies;
}
}

51
base/src/main/java/de/staropensource/sosengine/base/types/DependencyResolvedDependencyVector.java Normal file
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/*
* STAROPENSOURCE ENGINE SOURCE FILE
* Copyright (c) 2024 The StarOpenSource Engine Contributors
* Licensed under the GNU Affero General Public License v3
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.staropensource.sosengine.base.types;
import lombok.Getter;
import java.util.List;
/**
* Represents a dependency vector with resolved dependencies, used for dependency management.
*
* @since 1-alpha1
*/
@SuppressWarnings({ "unused", "JavadocDeclaration", "JavadocBlankLines" })
@Getter
public class DependencyResolvedDependencyVector extends DependencyVector {
/**
* Contains all resolved dependencies.
*
* @since v1-alpha1
*
* -- GETTER --
* Returns all resolved dependencies.
*
* @return resolved dependencies
* @since 1-alpha1
*/
private final List<DependencyVector> resolvedDependencies;
public DependencyResolvedDependencyVector(DependencyVector vector, List<DependencyVector> resolvedDependencies) {
super(vector.getIdentifier(), vector.getVersioningSystem(), vector.getVersion(), vector.getDependencies());
this.resolvedDependencies = resolvedDependencies;
}
}

120
base/src/main/java/de/staropensource/sosengine/base/types/DependencyVector.java Normal file
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/*
* STAROPENSOURCE ENGINE SOURCE FILE
* Copyright (c) 2024 The StarOpenSource Engine Contributors
* Licensed under the GNU Affero General Public License v3
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.staropensource.sosengine.base.types;
import lombok.Getter;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.List;
/**
* Represents a dependency vector, used for dependency management.
*
* @since 1-alpha1
*/
@SuppressWarnings({ "unused", "JavadocDeclaration", "JavadocBlankLines" })
@Getter
public class DependencyVector {
/**
* Contains the identifier of this vector.
*
* @since 1-alpha1
*
* -- GETTER --
* Returns the vector identifier.
*
* @return vector identifier
* @since 1-alpha1
*/
@NotNull
private final String identifier;
/**
* Determines which versioning system this vector uses.
*
* @since 1-alpha1
*
* -- GETTER --
* Returns the versioning system this vector uses.
*
* @return versioning system in use
* @since 1-alpha1
*/
@NotNull
private final Class<? extends VersioningSystem> versioningSystem;
/**
* Contains the version of this vector.
*
* @since 1-alpha1
*
* -- GETTER --
* Returns the vector version.
*
* @return vector version
* @since 1-alpha1
*/
@NotNull
private final String version;
/**
* Contains all vectors this vector hard-depends on.
*
* @since 1-alpha1
*
* -- GETTER --
* Returns all vectors this vector hard-depends on.
*
* @return hard dependencies
* @since 1-alpha1
*/
@NotNull
private final List<@NotNull String> dependencies;
/**
* Constructor.
*
* @param identifier identifier
* @param versioningSystem versioning system to use
* @param version version
* @param dependencies dependencies in the usual format ({@code dependency1}, {@code dependency2=5.1}, {@code dependency3>3.1}, {@code dependency<6.1})
*/
public DependencyVector(@NotNull String identifier, @NotNull Class<? extends VersioningSystem> versioningSystem, @NotNull String version, @NotNull List<@NotNull String> dependencies) {
this.identifier = identifier;
this.versioningSystem = versioningSystem;
this.version = version;
this.dependencies = dependencies;
}
/**
* Constructor.
*
* @param identifier identifier
* @param versioningSystem versioning system to use
* @param version version
*/
public DependencyVector(@NotNull String identifier, @NotNull Class<? extends VersioningSystem> versioningSystem, @NotNull String version) {
this.identifier = identifier;
this.versioningSystem = versioningSystem;
this.version = version;
this.dependencies = new ArrayList<>();
}
}

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base/src/main/java/de/staropensource/sosengine/base/utility/DependencyResolver.java Normal file
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/*
* STAROPENSOURCE ENGINE SOURCE FILE
* Copyright (c) 2024 The StarOpenSource Engine Contributors
* Licensed under the GNU Affero General Public License v3
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.staropensource.sosengine.base.utility;
import de.staropensource.sosengine.base.exceptions.UnexpectedThrowableException;
import de.staropensource.sosengine.base.exceptions.UnmetDependenciesException;
import de.staropensource.sosengine.base.types.DependencyResolvedDependencyVector;
import de.staropensource.sosengine.base.types.DependencyVector;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Resolves dependency vectors.
*
* @since 1-alpha1
*/
@SuppressWarnings({ "unused" })
public class DependencyResolver {
/**
* A list of {@link DependencyVector}s.
*
* @since 1-alpha1
*/
List<DependencyVector> vectors = new ArrayList<>();
/**
* Constructor.
*/
public DependencyResolver() {}
/**
* Adds a dependency vector.
*
* @param vector dependency vector to add
* @since 1-alpha1
*/
public void addVector(@NotNull DependencyVector vector) {
vectors.add(vector);
}
/**
* Resolves all dependency vectors.
* Throws an exception when detecting an unmet dependency or a dependency cycle.
*
* @since 1-alpha1
*/
public void resolve() throws UnmetDependenciesException, UnexpectedThrowableException {
List<DependencyResolvedDependencyVector> resolvedDependencyVectors = new ArrayList<>();
Map<DependencyVector, String> unmetDependencies = new HashMap<>();
try {
for (DependencyVector vector : vectors)
for (String dependency : vector.getDependencies()) {
int match = 0;
if (dependency.contains("=")) {
String dependencyIdentifier = dependency.substring(0, dependency.indexOf("="));
String dependencyVersion = dependency.substring(dependency.indexOf("="));
for (DependencyVector vectorCheck : vectors)
if (vectorCheck.getIdentifier().equals(dependency)) {
if (vectorCheck.getVersioningSystem().getDeclaredConstructor().newInstance(dependencyVersion).compare(vectorCheck.getVersioningSystem().getDeclaredConstructor().newInstance(vectorCheck.getVersion())) == 1)
match = -1;
else
match = 2;
break;
}
if (match == 0)
unmetDependencies.put(vector, "Depends on '" + dependencyIdentifier + "', which is missing");
else {
unmetDependencies.put(vector, "Depends exactly on '" + dependency + "', which is not installed");
}
} else if (dependency.contains("<")) {
String dependencyIdentifier = dependency.substring(0, dependency.indexOf("<"));
String dependencyVersion = dependency.substring(dependency.indexOf("<"));
for (DependencyVector vectorCheck : vectors)
if (vectorCheck.getIdentifier().equals(dependency)) {
if (vectorCheck.getVersioningSystem().getDeclaredConstructor().newInstance(dependencyVersion).compare(vectorCheck.getVersioningSystem().getDeclaredConstructor().newInstance(vectorCheck.getVersion())) == 0)
match = -1;
else
match = 2;
break;
}
if (match == 0)
unmetDependencies.put(vector, "Depends on '" + dependencyIdentifier + "', which is missing");
else {
unmetDependencies.put(vector, "Depends at maximum on '" + dependency + "', which is not installed");
}
} else if (dependency.contains(">")) {
String dependencyIdentifier = dependency.substring(0, dependency.indexOf(">"));
String dependencyVersion = dependency.substring(dependency.indexOf(">"));
for (DependencyVector vectorCheck : vectors)
if (vectorCheck.getIdentifier().equals(dependency)) {
if (vectorCheck.getVersioningSystem().getDeclaredConstructor().newInstance(dependencyVersion).compare(vectorCheck.getVersioningSystem().getDeclaredConstructor().newInstance(vectorCheck.getVersion())) == 2)
match = -1;
else
match = 2;
break;
}
if (match == 0)
unmetDependencies.put(vector, "Depends on '" + dependencyIdentifier + "', which is missing");
else {
unmetDependencies.put(vector, "Depends at minimum on '" + dependency + "', which is not installed");
}
} else {
for (DependencyVector vectorCheck : vectors)
if (vectorCheck.getIdentifier().equals(dependency)) {
match = -1;
break;
}
if (match == 0)
unmetDependencies.put(vector, "Depends on any version of '" + dependency + "', which is missing");
}
}
} catch (Exception exception) {
throw new UnexpectedThrowableException(exception);
}
if (!unmetDependencies.isEmpty())
throw new UnmetDependenciesException(unmetDependencies);
}
}