12764387666

Committed 14 Jan 2025 09:07AM UTC coverage: 68.077% (+0.5%) from 67.541%

Build # 12764387666

Build Type

Pull #820

github

Committed by

web-flow

Commit Message

Merge e2ff4216d into 875fbff84

Pull Request Pull Request #820: #759: upgrade settings commandlet

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cli/src/main/java/com/devonfw/tools/ide/environment/EnvironmentVariables.java

package com.devonfw.tools.ide.environment;

import java.nio.file.Path;
import java.util.Collection;
import java.util.List;
import java.util.Locale;

import com.devonfw.tools.ide.context.IdeContext;
import com.devonfw.tools.ide.variable.VariableDefinition;
import com.devonfw.tools.ide.variable.VariableSyntax;
import com.devonfw.tools.ide.version.VersionIdentifier;

/**
 * Interface for the environment with the variables.
 */
public interface EnvironmentVariables {

  /** Filename of the default variable configuration file. {@value} */
  String DEFAULT_PROPERTIES = "ide.properties";

  /** Filename of the legacy variable configuration file. {@value} */
  String LEGACY_PROPERTIES = "devon.properties";

  /**
   * @param name the name of the environment variable to get.
   * @return the value of the variable with the given {@code name}. Will be {@code null} if no such variable is defined.
   */
  default String get(String name) {

    return get(name, false);
  }

  /**
   * @param name the name of the environment variable to get.
   * @param ignoreDefaultValue - {@code true} if the {@link VariableDefinition#getDefaultValue(IdeContext) default value} of a potential
   *     {@link VariableDefinition} shall be ignored, {@code false} to return default instead of {@code null}.
   * @return the value of the variable with the given {@code name}. Will be {@code null} if no such variable is defined.
   */
  default String get(String name, boolean ignoreDefaultValue) {

    String value = getFlat(name);
    if (value == null) {
      EnvironmentVariables parent = getParent();
      if (parent != null) {
        value = parent.get(name);
      }
    }
    return value;
  }

  /**
   * @param name the name of the environment variable to get.
   * @return the value of the variable with the given {@code name} as {@link Path}. Will be {@code null} if no such variable is defined.
   */
  default Path getPath(String name) {

    String value = get(name);
    if (value == null) {
      return null;
    }
    return Path.of(value);
  }

  /**
   * @param name the name of the environment variable to get.
   * @return the value of the variable with the given {@code name} without {@link #getParent() inheritance from parent}. Will be {@code null} if no such
   *     variable is defined.
   */
  String getFlat(String name);

  /**
   * @param tool the name of the tool (e.g. "java").
   * @return the edition of the tool to use.
   */
  default String getToolEdition(String tool) {

    String variable = tool.toUpperCase(Locale.ROOT) + "_EDITION";
    String value = get(variable);
    if (value == null) {
      value = tool;
    }
    return value;
  }

  /**
   * @param tool the name of the tool (e.g. "java").
   * @return the {@link VersionIdentifier} with the version of the tool to use. May also be a {@link VersionIdentifier#isPattern() version pattern}. Will be
   *     {@link VersionIdentifier#LATEST} if undefined.
   */
  VersionIdentifier getToolVersion(String tool);

  /**
   * @return the {@link EnvironmentVariablesType type} of this {@link EnvironmentVariables}.
   */
  EnvironmentVariablesType getType();

  /**
   * @param type the {@link #getType() type} of the requested {@link EnvironmentVariables}.
   * @return the {@link EnvironmentVariables} with the given {@link #getType() type} from this {@link EnvironmentVariables} along the
   *     {@link #getParent() parent} hierarchy or {@code null} if not found.
   */
  default EnvironmentVariables getByType(EnvironmentVariablesType type) {

    if (type == getType()) {
      return this;
    }
    EnvironmentVariables parent = getParent();
    if (parent == null) {
      return null;
    } else {
      return parent.getByType(type);
    }
  }

  /**
   * @return the {@link Path} to the underlying properties file or {@code null} if not based on such file (e.g. for EVS or
   *     {@link EnvironmentVariablesResolved}).
   */
  Path getPropertiesFilePath();

  /**
   * @return the {@link Path} to the {@link #LEGACY_PROPERTIES} if they exist for this {@link EnvironmentVariables} or {@code null} otherwise (does not exist).
   */
  Path getLegacyPropertiesFilePath();

  /**
   * @return the {@link VariableSource} of this {@link EnvironmentVariables}.
   */
  VariableSource getSource();

  /**
   * @return the parent {@link EnvironmentVariables} to inherit from or {@code null} if this is the {@link EnvironmentVariablesType#SYSTEM root}
   *     {@link EnvironmentVariables} instance.
   */
  default EnvironmentVariables getParent() {

    return null;
  }

  /**
   * @param name the {@link com.devonfw.tools.ide.variable.VariableDefinition#getName() name} of the variable to set.
   * @param value the new {@link #get(String) value} of the variable to set. May be {@code null} to unset the variable.
   * @return the old variable value.
   */
  default String set(String name, String value) {

    throw new UnsupportedOperationException();
  }

  /**
   * @param name the {@link com.devonfw.tools.ide.variable.VariableDefinition#getName() name} of the variable to set.
   * @param value the new {@link #get(String) value} of the variable to set. May be {@code null} to unset the variable.
   * @param export - {@code true} if the variable needs to be exported, {@code false} otherwise.
   * @return the old variable value.
   */
  default String set(String name, String value, boolean export) {

    throw new UnsupportedOperationException();
  }

  /**
   * Saves any potential {@link #set(String, String, boolean) changes} of this {@link EnvironmentVariables}.
   */
  default void save() {

    throw new UnsupportedOperationException("Not yet implemented!");
  }

  /**
   * @param name the {@link com.devonfw.tools.ide.variable.VariableDefinition#getName() name} of the variable to search for.
   * @return the closest {@link EnvironmentVariables} instance that defines the variable with the given {@code name} or {@code null} if the variable is not
   *     defined.
   */
  default EnvironmentVariables findVariable(String name) {

    String value = getFlat(name);
    if (value != null) {
      return this;
    }
    EnvironmentVariables parent = getParent();
    if (parent == null) {
      return null;
    } else {
      return parent.findVariable(name);
    }
  }

  /**
   * @return the {@link Collection} of the {@link VariableLine}s defined by this {@link EnvironmentVariables} including inheritance.
   */
  List<VariableLine> collectVariables();

  /**
   * @return the {@link Collection} of the {@link VariableLine#isExport() exported} {@link VariableLine}s defined by this {@link EnvironmentVariables} including
   *     inheritance.
   */
  List<VariableLine> collectExportedVariables();

  /**
   * @param string the {@link String} that potentially contains variables in {@link VariableSyntax#CURLY} ("${«variable«}"). Those will be resolved by this
   *     method and replaced with their {@link #get(String) value}.
   * @param source the source where the {@link String} to resolve originates from. Should have a reasonable {@link Object#toString() string representation}
   *     that will be used in error or log messages if a variable could not be resolved.
   * @return the given {@link String} with the variables resolved.
   * @see com.devonfw.tools.ide.tool.ide.IdeToolCommandlet
   */
  String resolve(String string, Object source);

  /**
   * @param string the {@link String} that potentially contains variables in {@link VariableSyntax}. Those will be resolved by this method and replaced with
   *     their {@link #get(String) value}.
   * @param source the source where the {@link String} to resolve originates from. Should have a reasonable {@link Object#toString() string representation}
   *     that will be used in error or log messages if a variable could not be resolved.
   * @param legacySupport - {@code true} for legacy support with {@link VariableSyntax#CURLY} as fallback, {@code false} otherwise.
   * @return the given {@link String} with the variables resolved.
   * @see com.devonfw.tools.ide.tool.ide.IdeToolCommandlet
   */
  String resolve(String string, Object source, boolean legacySupport);

  /**
   * The inverse operation of {@link #resolve(String, Object, boolean)}. Please note that the {@link #resolve(String, Object, boolean) resolve} operation is not
   * fully bijective. There may be multiple variables holding the same {@link #get(String) value} or there may be static text that can be equal to a
   * {@link #get(String) variable value}. This method does its best to implement the inverse resolution based on some heuristics.
   *
   * @param string the {@link String} where to find {@link #get(String) variable values} and replace them with according
   *     {@link com.devonfw.tools.ide.variable.VariableSyntax} expressions.
   * @param source the source where the {@link String} to inverse resolve originates from. Should have a reasonable
   *     {@link Object#toString() string representation} that will be used in error or log messages if the inverse resolving was not working as expected.
   * @return the given {@link String} with {@link #get(String) variable values} replaced with according {@link com.devonfw.tools.ide.variable.VariableSyntax}
   *     expressions.
   * @see com.devonfw.tools.ide.tool.ide.IdeToolCommandlet
   */
  default String inverseResolve(String string, Object source) {

    return inverseResolve(string, source, VariableSyntax.SQUARE);
  }

  /**
   * @param string the {@link String} where to find {@link #get(String) variable values} and replace them with according
   *     {@link com.devonfw.tools.ide.variable.VariableSyntax} expressions.
   * @param source the source where the {@link String} to inverse resolve originates from. Should have a reasonable
   *     {@link Object#toString() string representation} that will be used in error or log messages if the inverse resolving was not working as expected.
   * @param syntax the explicit {@link VariableSyntax} to use.
   * @return the given {@link String} with {@link #get(String) variable values} replaced with according {@link com.devonfw.tools.ide.variable.VariableSyntax}
   *     expressions.
   * @see #inverseResolve(String, Object)
   */
  String inverseResolve(String string, Object source, VariableSyntax syntax);

  /**
   * @param context the {@link IdeContext}.
   * @return the system {@link EnvironmentVariables} building the root of the {@link EnvironmentVariables} hierarchy.
   */
  static AbstractEnvironmentVariables ofSystem(IdeContext context) {

    return EnvironmentVariablesSystem.of(context);
  }

  /**
   * @param tool the name of the tool.
   * @return the name of the version variable.
   */
  static String getToolVersionVariable(String tool) {

    return tool.toUpperCase(Locale.ROOT) + "_VERSION";
  }

  /**
   * @param tool the name of the tool.
   * @return the name of the edition variable.
   */
  static String getToolEditionVariable(String tool) {

    return tool.toUpperCase(Locale.ROOT) + "_EDITION";
  }

  /**
   * Removes a property.
   *
   * @param string name of the property to remove.
   */
  default void remove(String string) {
    throw new UnsupportedOperationException("Not yet implemented!");
  }
}

1	package com.devonfw.tools.ide.environment;
2
3	import java.nio.file.Path;
4	import java.util.Collection;
5	import java.util.List;
6	import java.util.Locale;
7
8	import com.devonfw.tools.ide.context.IdeContext;
9	import com.devonfw.tools.ide.variable.VariableDefinition;
10	import com.devonfw.tools.ide.variable.VariableSyntax;
11	import com.devonfw.tools.ide.version.VersionIdentifier;
12
13	/**
14	* Interface for the environment with the variables.
15	*/
16	public interface EnvironmentVariables {
17
18	/** Filename of the default variable configuration file. {@value} */
19	String DEFAULT_PROPERTIES = "ide.properties";
20
21	/** Filename of the legacy variable configuration file. {@value} */
22	String LEGACY_PROPERTIES = "devon.properties";
23
24	/**
25	* @param name the name of the environment variable to get.
26	* @return the value of the variable with the given {@code name}. Will be {@code null} if no such variable is defined.
27	*/
28	default String get(String name) {
29
30	return get(name, false);	5✔
31	}
32
33	/**
34	* @param name the name of the environment variable to get.
35	* @param ignoreDefaultValue - {@code true} if the {@link VariableDefinition#getDefaultValue(IdeContext) default value} of a potential
36	* {@link VariableDefinition} shall be ignored, {@code false} to return default instead of {@code null}.
37	* @return the value of the variable with the given {@code name}. Will be {@code null} if no such variable is defined.
38	*/
39	default String get(String name, boolean ignoreDefaultValue) {
40
41	String value = getFlat(name);	4✔
42	if (value == null) {	2✔
43	EnvironmentVariables parent = getParent();	3✔
44	if (parent != null) {	2✔
45	value = parent.get(name);	4✔
46	}
47	}
48	return value;	2✔
49	}
50
51	/**
52	* @param name the name of the environment variable to get.
53	* @return the value of the variable with the given {@code name} as {@link Path}. Will be {@code null} if no such variable is defined.
54	*/
55	default Path getPath(String name) {
56
57	String value = get(name);	4✔
58	if (value == null) {	2!
59	return null;	×
60	}
61	return Path.of(value);	5✔
62	}
63
64	/**
65	* @param name the name of the environment variable to get.
66	* @return the value of the variable with the given {@code name} without {@link #getParent() inheritance from parent}. Will be {@code null} if no such
67	* variable is defined.
68	*/
69	String getFlat(String name);
70
71	/**
72	* @param tool the name of the tool (e.g. "java").
73	* @return the edition of the tool to use.
74	*/
75	default String getToolEdition(String tool) {
76
77	String variable = tool.toUpperCase(Locale.ROOT) + "_EDITION";	5✔
78	String value = get(variable);	4✔
79	if (value == null) {	2!
80	value = tool;	2✔
81	}
82	return value;	2✔
83	}
84
85	/**
86	* @param tool the name of the tool (e.g. "java").
87	* @return the {@link VersionIdentifier} with the version of the tool to use. May also be a {@link VersionIdentifier#isPattern() version pattern}. Will be
88	* {@link VersionIdentifier#LATEST} if undefined.
89	*/
90	VersionIdentifier getToolVersion(String tool);
91
92	/**
93	* @return the {@link EnvironmentVariablesType type} of this {@link EnvironmentVariables}.
94	*/
95	EnvironmentVariablesType getType();
96
97	/**
98	* @param type the {@link #getType() type} of the requested {@link EnvironmentVariables}.
99	* @return the {@link EnvironmentVariables} with the given {@link #getType() type} from this {@link EnvironmentVariables} along the
100	* {@link #getParent() parent} hierarchy or {@code null} if not found.
101	*/
102	default EnvironmentVariables getByType(EnvironmentVariablesType type) {
103
104	if (type == getType()) {	4✔
105	return this;	2✔
106	}
107	EnvironmentVariables parent = getParent();	3✔
108	if (parent == null) {	2!
109	return null;	×
110	} else {
111	return parent.getByType(type);	4✔
112	}
113	}
114
115	/**
116	* @return the {@link Path} to the underlying properties file or {@code null} if not based on such file (e.g. for EVS or
117	* {@link EnvironmentVariablesResolved}).
118	*/
119	Path getPropertiesFilePath();
120
121	/**
122	* @return the {@link Path} to the {@link #LEGACY_PROPERTIES} if they exist for this {@link EnvironmentVariables} or {@code null} otherwise (does not exist).
123	*/
124	Path getLegacyPropertiesFilePath();
125
126	/**
127	* @return the {@link VariableSource} of this {@link EnvironmentVariables}.
128	*/
129	VariableSource getSource();
130
131	/**
132	* @return the parent {@link EnvironmentVariables} to inherit from or {@code null} if this is the {@link EnvironmentVariablesType#SYSTEM root}
133	* {@link EnvironmentVariables} instance.
134	*/
135	default EnvironmentVariables getParent() {
136
137	return null;	×
138	}
139
140	/**
141	* @param name the {@link com.devonfw.tools.ide.variable.VariableDefinition#getName() name} of the variable to set.
142	* @param value the new {@link #get(String) value} of the variable to set. May be {@code null} to unset the variable.
143	* @return the old variable value.
144	*/
145	default String set(String name, String value) {
146
147	throw new UnsupportedOperationException();	×
148	}
149
150	/**
151	* @param name the {@link com.devonfw.tools.ide.variable.VariableDefinition#getName() name} of the variable to set.
152	* @param value the new {@link #get(String) value} of the variable to set. May be {@code null} to unset the variable.
153	* @param export - {@code true} if the variable needs to be exported, {@code false} otherwise.
154	* @return the old variable value.
155	*/
156	default String set(String name, String value, boolean export) {
157
158	throw new UnsupportedOperationException();	×
159	}
160
161	/**
162	* Saves any potential {@link #set(String, String, boolean) changes} of this {@link EnvironmentVariables}.
163	*/
164	default void save() {
165
166	throw new UnsupportedOperationException("Not yet implemented!");	×
167	}
168
169	/**
170	* @param name the {@link com.devonfw.tools.ide.variable.VariableDefinition#getName() name} of the variable to search for.
171	* @return the closest {@link EnvironmentVariables} instance that defines the variable with the given {@code name} or {@code null} if the variable is not
172	* defined.
173	*/
174	default EnvironmentVariables findVariable(String name) {
175
176	String value = getFlat(name);	4✔
177	if (value != null) {	2✔
178	return this;	2✔
179	}
180	EnvironmentVariables parent = getParent();	3✔
181	if (parent == null) {	2✔
182	return null;	2✔
183	} else {
184	return parent.findVariable(name);	4✔
185	}
186	}
187
188	/**
189	* @return the {@link Collection} of the {@link VariableLine}s defined by this {@link EnvironmentVariables} including inheritance.
190	*/
191	List<VariableLine> collectVariables();
192
193	/**
194	* @return the {@link Collection} of the {@link VariableLine#isExport() exported} {@link VariableLine}s defined by this {@link EnvironmentVariables} including
195	* inheritance.
196	*/
197	List<VariableLine> collectExportedVariables();
198
199	/**
200	* @param string the {@link String} that potentially contains variables in {@link VariableSyntax#CURLY} ("${«variable«}"). Those will be resolved by this
201	* method and replaced with their {@link #get(String) value}.
202	* @param source the source where the {@link String} to resolve originates from. Should have a reasonable {@link Object#toString() string representation}
203	* that will be used in error or log messages if a variable could not be resolved.
204	* @return the given {@link String} with the variables resolved.
205	* @see com.devonfw.tools.ide.tool.ide.IdeToolCommandlet
206	*/
207	String resolve(String string, Object source);
208
209	/**
210	* @param string the {@link String} that potentially contains variables in {@link VariableSyntax}. Those will be resolved by this method and replaced with
211	* their {@link #get(String) value}.
212	* @param source the source where the {@link String} to resolve originates from. Should have a reasonable {@link Object#toString() string representation}
213	* that will be used in error or log messages if a variable could not be resolved.
214	* @param legacySupport - {@code true} for legacy support with {@link VariableSyntax#CURLY} as fallback, {@code false} otherwise.
215	* @return the given {@link String} with the variables resolved.
216	* @see com.devonfw.tools.ide.tool.ide.IdeToolCommandlet
217	*/
218	String resolve(String string, Object source, boolean legacySupport);
219
220	/**
221	* The inverse operation of {@link #resolve(String, Object, boolean)}. Please note that the {@link #resolve(String, Object, boolean) resolve} operation is not
222	* fully bijective. There may be multiple variables holding the same {@link #get(String) value} or there may be static text that can be equal to a
223	* {@link #get(String) variable value}. This method does its best to implement the inverse resolution based on some heuristics.
224	*
225	* @param string the {@link String} where to find {@link #get(String) variable values} and replace them with according
226	* {@link com.devonfw.tools.ide.variable.VariableSyntax} expressions.
227	* @param source the source where the {@link String} to inverse resolve originates from. Should have a reasonable
228	* {@link Object#toString() string representation} that will be used in error or log messages if the inverse resolving was not working as expected.
229	* @return the given {@link String} with {@link #get(String) variable values} replaced with according {@link com.devonfw.tools.ide.variable.VariableSyntax}
230	* expressions.
231	* @see com.devonfw.tools.ide.tool.ide.IdeToolCommandlet
232	*/
233	default String inverseResolve(String string, Object source) {
234
235	return inverseResolve(string, source, VariableSyntax.SQUARE);	×
236	}
237
238	/**
239	* @param string the {@link String} where to find {@link #get(String) variable values} and replace them with according
240	* {@link com.devonfw.tools.ide.variable.VariableSyntax} expressions.
241	* @param source the source where the {@link String} to inverse resolve originates from. Should have a reasonable
242	* {@link Object#toString() string representation} that will be used in error or log messages if the inverse resolving was not working as expected.
243	* @param syntax the explicit {@link VariableSyntax} to use.
244	* @return the given {@link String} with {@link #get(String) variable values} replaced with according {@link com.devonfw.tools.ide.variable.VariableSyntax}
245	* expressions.
246	* @see #inverseResolve(String, Object)
247	*/
248	String inverseResolve(String string, Object source, VariableSyntax syntax);
249
250	/**
251	* @param context the {@link IdeContext}.
252	* @return the system {@link EnvironmentVariables} building the root of the {@link EnvironmentVariables} hierarchy.
253	*/
254	static AbstractEnvironmentVariables ofSystem(IdeContext context) {
255
256	return EnvironmentVariablesSystem.of(context);	3✔
257	}
258
259	/**
260	* @param tool the name of the tool.
261	* @return the name of the version variable.
262	*/
263	static String getToolVersionVariable(String tool) {
264
265	return tool.toUpperCase(Locale.ROOT) + "_VERSION";	5✔
266	}
267
268	/**
269	* @param tool the name of the tool.
270	* @return the name of the edition variable.
271	*/
272	static String getToolEditionVariable(String tool) {
273
274	return tool.toUpperCase(Locale.ROOT) + "_EDITION";	5✔
275	}
276
277	/**
278	* Removes a property.
279	*
280	* @param string name of the property to remove.
281	*/
282	default void remove(String string) {
283	throw new UnsupportedOperationException("Not yet implemented!");	×
284	}
285	}

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